I remember someone said that all women like to go to the cinema to watch movies, while men like to stay at home to watch movies. One is romance, the other is privacy. So generally, buy All are men, and those who buy movie tickets are basically men, but they all have double tickets. I like watching movies since I was a child. From the moment I saw the first outdoor movie "Little Soldier Zhang Ga" in the wheat field when I was a child, I was looking forward to having my own home theater when I grew up. Now that I have grown up, worked, married, and become a father, my dream of a private cinema has never died, but there are too many things to consider (mainly lack of money), so I can't make a big deal to purchase it. But it is still necessary to make a small fuss. I have played with several projections, improved dozens of high-definition boxes, fiddled with the stereo several times, and played with two screens, but speaking of standard, They are all entry-level. As for projection, I was going to do it in a 1080P movie theater, but I had to stop because I didn't have enough money. I turned my attention to micro projection products. After playing several models, I found that micro projection is really more suitable for my fake hair (mei) burn (qian) loser. Although the clarity is not as good as 1080P, the effect is still satisfactory, and the emphasis is on the cheap price, and the concern of subsequent bulb replacement is eliminated.


Today I want to introduce this micro investment, which is the latest product launched by Dongguan Cloud Network in 2015, and also the first projection product of its brand. For cloud network business, I like to play We should not be unfamiliar with our friends. He is an enterprise dedicated to research and development, manufacturing, sales and service, with the core business of Android mini computers, FULL HD 1080P high-definition players, Bluetooth digital high-definition home theater audio, and other 3C electronic products. Since last year, micro investment has suddenly become a very popular product, and various emerging micro investment brands have sprung up like mushrooms. Cloud Network also targeted this huge potential market, so in early 2015, it launched this smart micro investment product with the model of CRD2. It is equipped with a 1.8GHz RK3288 quad core CPU and a 0.45DMD+RGBLED display chip, which uses the German OSRAM LED light source and has an ultra long life of 50000 hours. one thousand two hundred and eighty The standard resolution of x800 can play 4K movies and 3D movies. What kind of surprises will be brought to us in the actual use of such a product with powerful configuration and great efforts from Cloud Network pedestrians? Let me reveal them one by one! To give you a general understanding of CRD2 at the beginning, let's take a look at the official parameter configuration table:



Cloud Network CRD2 adopts a double open outer package, with text and icon display, and no projected pattern is displayed. This simple packaging promotion is difficult to bring strong visual effects to consumers. It is suggested that the packaging should highlight the key points and give people visual impact to increase users' desire to understand and purchase.

At the bottom of the box is the information about the projection parameters.

Yunwang CRD2 has two colors, wine red and black. My version is black, which is more calm, and wine red is more fashionable.

The accessories of the whole machine are relatively simple, including a host, a WIFI antenna, a remote controller, a set of separate power adapter, an HDMI HD cable, and a set of instructions.

The appearance design concept of Cloud Network CRD2 is said to be derived from the shape of a super sports car, but I'm sorry. After looking at it for a long time, it's still difficult to put it together with a super sports car. The projection fuselage is made of black piano paint, which seems to be of high grade.

The design of the uphill and downhill surfaces makes the overall streamline of the machine more intense, perhaps to highlight its so-called super running shape.

There are very few keys on the top panel of the machine, only 2D/3D conversion key, MENU key and on key. In the power on state, click the MENU key to switch the input source.

On the back of the machine, there are WIFI antenna interface, TF card slot, reset hole, audio fiber output interface, wired network interface, three USB2.0 interfaces, power interface, infrared receiving window, 3.5mm audio output interface, 3.5mm AV input interface, VGA interface and HDMI HD interface.

The CRD2 interface of Cloud Network is very rich, not only considering the current mainstream HDMI high-definition input, but also considering computer users and AV input. In terms of audio, optical fiber output is matched with 3.5mm standard audio output. The three USB interfaces can absolutely meet the requirements of simultaneous access of multiple devices in daily use, but it is a pity that there is no 3.0 interface. The front and rear two-way infrared receiving windows can ensure the machine's control sensitivity at different positions to the greatest extent. Of course, if you can replace it with a 360 degree 2.4G wireless technology without dead angle, the remote control effect will be better.

The side focusing ring has a good feel and enough damping to easily adjust the focus to the best position. The sound effect of the built-in speaker is good, and the volume is enough for daily use. However, if you want to pursue a stronger hearing effect, you need to connect an external power amplifier speaker.

There is a large Osram lens in the front, and the remote control infrared interface and cooling hole are beside it. I don't know why, CRD2 didn't design a lens cover. Personally, I think it is necessary for projection to have a lens cover. It goes without saying that everyone knows the importance of the lens, so it is necessary to protect the lens in daily use.

The detachable WIFI antenna has a strong signal receiving ability and is much more sensitive than the general WIFI receiving equipment in actual use. The dual frequency mode also makes the usual audio and video entertainment more smooth.

The bottom of the machine is equipped with 4 rubber support pads and a screw hole for fixing, which can be installed on most camera tripods. However, the screw hole is not set in the middle of the machine, so we don't know whether it will cause one side heavy and the other side light.

CRD2 adopts DLP display technology, supports active 3D, and the official nominal brightness is 1500-2200 lumens, Physical resolution Up to 1280 × 800 WXGA Level , has 5000:1 contrast ratio , using Germany OSRAM LED new light source, green and environmentally friendly, without any radiation, The maximum service life is 50000 hours, basically without changing the lamp.

CRD2 uses a DC 19V 4A power supply, which is a two section separated power supply with very solid workmanship. However, I personally think that as a portable micro investment, it is really unnecessary to use such a large power supply, which is not only inconvenient to carry, but also troublesome even in daily household use.

The infrared remote control of CRD2 adopts the design of full key position, with ordinary button comfort and slightly slow rebound speed. The response range is relatively wide. It can basically reach 360 degrees without dead angle in a short distance, but occasionally the response is slow. The above function keys can be used to switch the source, trapezoidal manual correction and 3D mode switching. The mouse mode is not very sensitive.

The remote control is powered by two No. 7 batteries.

The 3D glasses are provided with the machine, but they are not standard accessories of CRD2. They belong to the category of gifts, but I do not guarantee that they will all be given as gifts. However, the general 3D projection will present one as a gift, which can also be regarded as a means of sales. If one is sent out, it is likely that users will buy one or more more by themselves. If you don't give away any of them when you buy them, chances are that the user won't buy any of them. This 3D glasses seems to be relatively high-end. In order to take care of users with different noses, we also sent two nose pads of different sizes.

With glasses, there is also a wireless flying mouse of Yunwang. The functions of wireless keyboard and mouse, flying mouse and remote control are three in one. It is comfortable to hold in the hand. It has a double-sided design. One side is the MINI keyboard, and the other is the remote control. And this The flying mouse also has a learning function, which can simulate the TV button. It is more convenient to use it on the box. In fact, it is originally designed for the box. The Flying Hamster Two No. 7 batteries are also used for power supply.


The test of the following relevant parameters is amateur level in terms of equipment, technology, environment and methods. It is just to give netizens a reference data in terms of their personal ability. We don't need to pay too much attention to the accuracy of the data. It is only for reference. We are welcome to accept criticism.
[Power test] The power of Cloud Network CRD2 fluctuates around 1.68W in standby mode, about 50W in network on-demand mode, and about 52W in local mode when the hard disk is attached. To be honest, this power consumption really saves power. For example, the power consumption of my old CRT29 inch TV is about 80W, The 42 inch LCD is about 160W, and the 37 inch LCD is about 130W, so if you watch TV with CRD2, you can also save a lot of money on photoelectric fees in a year!

[Noise test] For projectors, noise is also a concern of many friends, because it will not only affect the mood of users when watching movies, but also may damage users' hearing due to loud noise. Let's first take a look at the difference between noise and ordinary people:
0 - 20 decibels: basically not felt at this level.
20-40 dB: Quiet, like whispering.
40-60 dB: Ordinary, ordinary indoor conversation.
60-70 dB: noisy, nerve damaging;
70-90 decibels: very noisy, nerve cells are damaged.
90-100 dB: increased noise and hearing loss;
100-120 decibels: unbearable, temporary deafness after one minute.
Above 120 decibels: extremely deaf or totally deaf.
Because the professional test noise is carried out in an absolutely silent space, the data obtained is more accurate, of course, I can't do it. The only thing I can do is to choose a relatively quiet environment. The test time is at 2:00 in the morning (it's almost below zero in winter, really cold). It's still quiet around, At this time, the ambient noise is 35.5 decibels.

In order to achieve the relative accuracy of the data, I adopted a more common noise test technique - five directional fixed-point test method. That is to say, the same distance of 50CM is used to sample the data in the front, back, left and right directions of the measured object, and then the five data are averaged to obtain a relatively accurate result. From the figure below, we can see that the values in the five directions are 49.1, 48.0, 47.5, 46.9 and 43.4 respectively, so the average value is 46.98dB, and the noise is relatively small.

【 Temperature test 】 We know that bulb projector has always been a big fan of fever. If you watch a movie too close, you can sweat and heat up. If it is cold indoors, you don't need to turn on the heater. Therefore, the heat of projection has always been a key issue for users. If the volume of micro projector is too small, it will definitely affect the normal operation of the machine. How does CRD2 perform in this respect? Come and have a look with me! At the time of the test, it was more than 2 o'clock in the morning, and the indoor temperature was 2 degrees.

The machine has been on for about three and a half hours, and the temperature measuring gun and projector have been placed in the same environment for more than three hours. According to the test of infrared temperature measuring gun, the highest temperature of the machine is 36.7 degrees at the front cooling hole. The lens temperature is 24.1 degrees, the maximum temperature of the upper panel is 20.8 degrees, the maximum temperature of the bottom panel is 30.5 degrees, and the maximum temperature of the power supply is 33.5 degrees. This data must be satisfactory, but this data has a lot to do with the low ambient temperature at this time, so it will certainly rise a lot in summer. However, it is not difficult to see from the test results that CRD2 is still in place in temperature control.

[Brightness test] I believe that for projection, brightness has always been one of the indicators most concerned by users. Here I remind you that the high brightness of commercial projection is to meet the needs of use in the daytime, while most of the use environments of domestic projection are at night, and most of them are in full darkness. Therefore, too high brightness will hurt your glasses, So I also advise you that if you don't have special needs, you don't need to pursue too high brightness at home. Of course, some friends who like watching TV by projection in the daytime can ignore my words. Since the indicator of brightness will greatly affect the user's choice when purchasing, basically all projection manufacturers will deliberately promote the lumen of the machine, which we are used to. In fact, the actual brightness of mainstream micro investment in the market is not very high. Now let's measure the true brightness of CRD2!
For relatively accurate testing, I used the ANSI 9-point test method, that is, to measure the illuminance of the nine center points in the picture, and then the average illuminance of the nine points is the average illuminance of the whole screen, and then multiplied by the picture size to obtain the brightness of the machine, that is, ANSI lumens.
The lux values of the nine points are 187lux, 201lux, 179lux, 216lux, 217lux, 203lux, 223lux, 222lux, 213lux respectively, with an average value of about 207lux. Then we multiply the area by 1.738 (the projection size of the test image is about 158cm long and 110cm wide), and get the ANSI brightness of about 360 lumens.

[Contrast test] As we know, contrast is also an important indicator for projection. Machine images with high contrast are clearer and more colorful. The machine with low contrast will make the whole picture appear dark and turbid. In terms of the test contrast method, I also used the ANSI contrast test method, with 8 black and 8 white graphs of the same area. The test data is as follows: ANSI contrast: (198+204+212+203+207+216+214+212)/(3.2+3.3+3.3+4.3+4.3+4.2+4.4+4.1+4.6)= 53：1

[Virtual focus/out of focus test] As A projector with DLP technology must have its own shortcomings, that is, the problem of virtual focus and out of focus, especially the projection with resin lens, which are more serious. Generally, many low-cost micro projectors use resin lenses for cost reasons, and then use technical means to minimize the phenomenon of virtual focus and out of focus, but it is still common. However, the CRD2 of the cloud network line uses a relatively expensive glass lens, so the situation of virtual focus and out of focus is much better. After starting up and adjusting the focal length, the definition of the whole picture is basically uniform, and the front and bottom are slightly blurred. After starting the machine for a period of time, there was no out of focus. The next day, as long as the position remained unchanged, there was no need to focus again.


Let's use CPU-Z to check the hardware configuration of CRD2 ， The RK3288 quad core CPU has a main frequency of 1.8GHz, the MaliT764 core GPU, 2G memory, and 16G flash memory. This configuration is relatively powerful at present.


Anthura scored 39810 points. If you think about the current mainstream 4-core player, Anthura scored about 20000 points, while CRD2 scored nearly twice, Enough to witness its robust hardware configuration.

In the score ranking, CRD2's score also reached the middle and upper reaches, leaving behind Xiaomi 3, which has always been known for its score running. The top few in the ranking are the latest flagship models of major brands. Moreover, the mobile phone score running was originally superior to the projection.

Now let's use Vellamo to test the comprehensive performance of CRD2's browser. After several tests, CRD2 has achieved excellent results in various test points, which shows that its browser's performance and stability, including network, script, rendering, and user experience, are at a relatively high level.


Score ranking of three tests.






The benchmark test result of Nenamark2 hardware acceleration is 57.7fps, which is a high score.

Nenamark2 score ranking.


The UI interface of CRD2 adopts the tile style of WIN8, and the homepage is Related content of. The six sections are“ ”, "network video", "wonderful recommendation", "system application", "game center" and "my settings". Some menus are slightly repeated, and they are only shortcuts to the program submenu of the VST aggregation. I'm a little sorry that the main interface does not support user-defined settings. The settings are divided into four parts: "Network Bluetooth", "Advanced Settings", "Display and AV Devices", and "About Devices".

Network Bluetooth is mainly related to some network settings, WIFI、 Wired network, portable hotspot, Bluetooth, etc.

If you only have a wired network in your home, but no wireless router, you can definitely use the portable hotspot function of CRD2. After you access the wired network, turn on the portable hotspot, and then your mobile phone and tablet can access its hotspot wirelessly for Internet access.

CRD2 has a built-in Bluetooth 4.0 module, which can easily access all kinds of Bluetooth devices. Even if you take a portable Bluetooth speaker with you when you go out, it can also bring good sound effects. However, compared with the wired audio output, the Bluetooth output will have a slight delay, but it can basically be ignored.

The advanced settings include the settings of some languages, input methods and dates of CRD2. If you want to connect to a PC, you also need to open USB debugging here.

The sound and display include the adjustment of sound, brightness and font, as well as the switch for automatic ladder correction. auto keystone It can eliminate the irregular picture caused by the incorrect projection angle, but it only has the most basic trapezoid correction function, that is, the vertical trapezoid correction function, which does not support the horizontal trapezoid correction. In addition, the automatic trapezoid correction can only be carried out when the angle reaches a certain degree, so that slight deformation is basically not corrected. In addition, the trapezoidal correction is accompanied by the loss of image quality, so if conditions permit, try to use positive projection to obtain the best viewing effect.

In About this computer, there are some accounts, applications, and factory reset settings.

There is no application channel designed in the settings, so we need to enter from all the applications in the "system applications", where we can find all the applications you have installed, and to enter Android native settings, we also need to enter from here.

Android native system setting interface.


As we know, with the increase of projection distance, the brightness will gradually decline, and the picture quality will become worse and worse. Therefore, the brightness of the machine and the size of the projection have a great relationship with the display effect. From the chapter of parameter testing, we measured the CRD2 The ANSI brightness is 360 lumens, and the ANSI contrast is 53:1. So what's the display effect? Let's have a look. (Note: In view of the shooting environment and shooting level, the actual display effect is slightly different from the screen picture.)
Cloud Network CRD2 is a short focus model, which can project a 100 inch image at about 2.5 meters. After testing, the optimal projection size of CRD2 is about 80-120, and the image quality will decline significantly if it exceeds 120. CRD2 The ANSI contrast is 53:1. As can be seen from the gray scale diagram below, CRD2 can vaguely identify the fourth order, which is fairly good.

The following screen pictures were taken in full black environment, only the original film was compressed, without any beautification. The shooting size is about 80 inches, and the screen is made of white glass fiber. The overall display effect of the screen is very good, and the color restoration is more realistic and beautiful.















As a family entertainment portable micro projector, we don't need to pay too much attention to its performance in the daytime. I'm very responsible to tell you that the effect must be bad, and all non business projectors on the market are not good in the daytime, unless you have very low requirements. Not to mention the projectors costing thousands of yuan, even the hundreds of thousands of projection equipment in Wanda Cinema can only get better results in a completely dark environment. Once the lights are turned on, the quality will go down immediately. So, if you play with projection, you can use it at night. Don't think too much about others.




Cloud Network CRD2 adopts Android 4.4 system, and can install various live and on-demand video apps at will. In order to facilitate users' use, it has initially built in VST full aggregation PPTV、 Pudding, kaleidoscope and other online video software. As the main software, VST full aggregation occupies two pages. It includes online live broadcast and on-demand broadcast.

In terms of online live broadcast, perhaps because of the influence of the broadcasting and television parties in the early stage, the buffer speed is not very ideal, and the live broadcast quality is also very ordinary, mostly in standard definition format, with less HD image quality.



In the aspect of on-demand broadcasting, the performance is relatively satisfactory. Not only are there many film and television resources, but also the update speed is relatively fast. Many popular movies can be found here soon, but most of them are gun versions. The high-definition version is also updated faster than the general video software. And it is an excellent software in terms of image quality and buffer.

Online on-demand demonstration effect:

Online on-demand demonstration effect:

Online on-demand demonstration effect:

The other PPTV has good comprehensive indicators.

PPTV online on-demand effect demonstration:

PPTV online on-demand effect demonstration:

PPTV online on-demand effect demonstration:

In addition to the built-in software, we can also install other APPs in a variety of ways. Here we strongly recommend the live broadcast Not only are there many high-definition channels, but also support a variety of thoughtful functions, such as soft and hard switch, fast source change, boot up and program review, which can be said to be the No. 1 in the free live broadcast APP.

HDP live broadcast effect demonstration:

HDP live broadcast effect demonstration:

HDP live broadcast effect demonstration:


The CRD2 of Cloud Network adopts RK3288 quad core CPU, with the main frequency reaching 1.8GHz. In terms of graphics processor, it uses MaliT764 core GPU, 2G memory and 16G flash memory. These hardware data provide reliable guarantee for its local high-definition playback. First, we use Anthare video test software to test, and I am very satisfied with the test results. The full screen turns green, and the tested video and audio formats are all passed. But what is the score of 320? Is it difficult for Antu to be frightened by CRD2?



The local video of CRD2 can be accessed through the built-in resource manager, which clearly shows the actual situation of various external devices. However, there is a problem with the software. If your hard disk has partitions, the system will only display a drive letter, but it contains some content in other partitions. There are some problems It is not a big problem. It can be easily solved by optimizing the system.

At present, 4K has quickly become a mainstream trend, and display and playback devices have matured. The only bottleneck is the film source problem. Once this problem is solved, 4K will quickly become popular. The measured CRD2 can play most 4K movies normally, but the video and audio may not be synchronized if the bit rate is too high.



Ｈ. 265 as the current H The benefits of the upgraded version of the 264 standard are obvious. This new technology will undoubtedly bring a new multimedia revolution. In the same network environment, clearer high-definition video can be transmitted, but it also has higher requirements for the hardware of the device. Now the new mainstream TV boxes are also selling to be able to play H.265 encoding. After testing, CRD2 can easily play H.265 encoded video.

H. 265 supports 4K (4096 * 2160) and 8K (8192 * 4320) Ultra High Definition (UHD) content, which makes it undoubtedly a crucial channel for acquiring 4K Ultra High Definition. In the next few years, 4K will be popularized in TV, PC and tablet computers, which also makes H.265 a general trend with the popularity of 4K. Cloud Network CRD2 is a H The micro investment products decoded by 265 will be highly sought after by high-definition enthusiasts.

Cloud Network CRD2 supports 3D movie playing, and can experience the effect of 3D blockbusters at home with active 3D glasses. However, CRD2 does not support the automatic recognition function, so you need to manually adjust 3D movies in left, right, top and bottom formats. The independent 3D button on the remote control makes the 3D setting very simple. Press it lightly, and 3D will appear.

The screen display is clear and natural, without flicker. When watching some 3D demonstration films, the sense of presence is very strong, and the screen effect is very obvious.

After testing, several 3D samples play normally, including left and right, up and down formats, and the 3D effect is also very realistic. External subtitle files need special 3D subtitles to display normally. With 200 inch 3D It shows that you can really experience the effect of a small 3D cinema at home.

Cloud Network CRD2 can play 4K and H2.65 encoded ultra HD movies nearly perfectly, and those 1080P and below videos are even better. After several sample tests, the mainstream audio and video formats CRD2 in the market can play perfectly, including AC3 and DTS format audio that cannot be played by many machines. However, it does not mean that the local playback function of CRD2 is perfect. Because the firmware is not perfect, CRD2 cannot play ISO files at present, and cannot identify the original Blu ray disk. However, the official has responded that the recently updated firmware can identify and play Blu ray ISO and Blu ray original disk files. At present, it does not mean that it cannot be played. We can use third-party software, such as XBMC, to play the Blu ray ISO format normally. However, the original disk file cannot be played directly. You still need to open the folder to play it.

For files in ISO format, we can set XBMC as the default player, which can also achieve the click and play effect.

Blu ray ISO can now be viewed normally. You can select subtitles and audio tracks.

Although it is said that with the help of third-party playback software, without the powerful hardware support of CRD2, XBMC can't make bricks without straw!

The built-in video player of CRD2 system can also select subtitles and audio tracks, but the selection is not so clear, which still needs further optimization.

CRD2 supports the Network Neighborhood function. Similarly, click Network Neighborhood on the resource manager interface, and the system will automatically search the storage settings in the same LAN. After the search is completed, the shared play can be performed. CRD2 adopts a wired gigabit network, and local sharing can also easily play 4K high-definition movies.


As a family entertainment device, it seems that just watching movies and TV can't satisfy users' taste, so Cloud Network CRD2 has also joined the game area and opened the game hall, where we can find many games that fascinated us in childhood. Whether it is arcade or simulator games, there is always one that you liked very much. Looking at the familiar icon characters, I felt a little excited! Kung Fu King, Kuai San and Xueshan Brothers, all of which I played truant when I was at school. (Too much said, revealing the essence of my bad student.)

There are a lot of games on various platforms. It's really an unstoppable situation once installed. Fortunately, CRD2 has 16G of storage space. No matter how many games are installed, it's not afraid. It not only supports handle control, but also can download software to control with mobile phones.

The most popular game on the PS2 was "The Return of the Demon of the Unmatched Big Snake". This game requires a controller to play. It happened that there were several wireless controllers on hand. After testing on the CRD2, they could basically be used normally.

The following game is expected to be familiar to friends in the 1970s, 1980s and 1990s. One of the most popular arcade games of that year, Boxing 97, is the peak of arcade fighting games.

Snowy Mountain Brothers is a very interesting arcade casual game. I used to like it very much. It can always be pushed to the end.

In addition to the system's own game hall, we can also install other game markets, such as the chicken simulator below, which is my personal favorite. For the TV version of Android system, Android games have always been unpopular to me, because Android games still need to use the touch screen to get the best game experience, and with the game controller, there will be many key mismatches, so simulator games are the best choice on TV.

It also supports handle and mobile phone control. Classic games are piled up one after another. It is estimated that there will be less time for wife and children in the future.

I tried a lot of simulator games, and basically all of them can run smoothly, but some games have resolution problems, and will be added to them, such as Biochemical Crisis 3.


Nowadays, more and more people like to take advantage of holidays to go on self driving tours with friends, take their girlfriends and lovers, and go camping in the wild. Bonfire, barbecue, beer, and field warfare (don't think too much, I mean field warfare like CS, of course, you can also choose other methods.) Think about how cool it is. Of course, I'm not talking about now, If you go to the wild now, it will not be a field battle, but a great challenge for survival. At this time, if there is still a projection, the effect will be doubled. However, when the projection goes outside, the power problem is a very troublesome problem, while the CRD2 has only 50W power consumption, so we can use the on-board inverter to power it. If it is a high-power projection, the inverter must not work. If there is a potential safety hazard, even if you can carry it, the battery in your car can't stand it. The low power CRD2 does not need to worry at all.

We can also turn CRD2 into a car theater, put the back seat flat and project it onto the rear compartment, and immediately enjoy the private two person theater world between you and your girlfriend. You will naturally understand what you want to see.

We can cast the projection on any flat place, even on a concrete wall that is not white.

Of course, if you take a portable screen, the effect will be excellent.


advantage:
1. The body design is small and fashionable, well made, and highly portable.
2. Abundant projection interfaces can meet most access requirements.
3. Powerful hardware configuration, no pressure for subsequent system optimization.
4. Support 4K, H.265 format video playback.
5. Support active 3D with excellent playback effect.
6、 support AC3, DTS audio format.
7. The important indicators of power consumption, temperature, brightness and noise are very ideal.
8. The machine adopts glass lens, and the phenomenon of virtual focus and out of focus has been well controlled during use.
9、 Long life LED light source, saving subsequent expenses.

Disadvantages:
1. The system UI interface has no features and is excessively repetitive.
2. Explorer cannot display the hard disk partition correctly.
3. ISO format is not supported, and Blu ray original disc cannot be played directly.
4. The handle of the remote control is slightly poor, and some operations respond slowly. 5. Lens cover is not designed.
6. The setting is slightly simple, lacking contrast and tone related settings.
7. The price of 3999 yuan is slightly higher.

Conclusion: After more than a week of repeated trials, I am quite satisfied with the performance of various technical indicators of CRD2, and really feel that CRD2 is a very good portable intelligent micro investment, which is very correct for both home entertainment and business travel. The excellent workmanship, stable indicators and excellent display effect show that the CRD2 is a successful portable Products. The 3D function and 120 inch screen let me really feel the super visual shock brought by CRD2. Of course, CRD2 still has some shortcomings in some aspects, and the system still needs further optimization. But I believe that Yunwangxing has rich experience in the research and development of smart players, and has many mature and highly praised products. Later, with the efforts of Yunwangxing's research and development personnel, CRD2's performance will be more and more perfect.