A few days ago, I missed a chance to try out a glass because I accompanied my parents on a trip. This time, I finally got my wish to try out Lewo SVR GLASS 3D glasses. First of all, I would like to express my thanks to the Player100 website!
When I was a child, I was interested in 3D super, and thought it was magical and interesting. I often went to the cinema or science and technology museum to watch 3D image exhibitions or games. Later, I often went to see 3D movies and experience games in 4D or 5D, and was intoxicated with the thrill of immersive experience. Now with this 3D glasses, you can experience the excitement of going from heaven to earth and all kinds of objects flying in the face without going out at home!
     1、 Unpacking and appearance
The packing box of the glasses is a white paper box, and the corner was deformed by the express brother. Fortunately, the glasses were not hurt, so it seems that the packing is very strong. The logo of SRV GLASS is printed on the packaging box. The first thing you can see when you open the flip cover is the gold panel of glasses with the logo of "SRV glass" sandwiched between two black sponge. When you take out the glasses, you can see the black remote control, instructions and a black non-woven bag. It's not the latest embedded remote control. The black non-woven bag is a bit low grade, a little disappointed!

The overall workmanship of the glasses is quite exquisite, and the appearance is also very good. Looking sideways, it looks like a cute child squinting at you with big eyes. There is no fully enclosed design, but a square mobile phone fixed pressing plate is set in the middle of the front to expose most of the area at both ends of the mobile phone inserted into the glasses. At the same time, four heat dissipation vents are set up at the top and bottom (it feels a little small, and it is better to double the area more than once), which better solve the problem of mobile phone heat dissipation.

       2、 Use and feel
Hardware:
The glasses are simple to use. Insert the phone from the front opening. The front middle cover is fixed. My iPhone 5 needs to remove the battery back clip to insert it.
Lens power adjustment has no effect on my presbyopia eyes, because I need to take off 450 degree myopia glasses when I look near. It feels that when the black knob of the lens is rotated close to the orange base at the bottom when adjusting the focus, the surface of the knob is almost flush with the base, and it is hard to move down or back, so it should protrude more from the base before operation.
The head cover for fixing 3D glasses is elastic, and the end is adjustable with child and mother buttons, which has a large adjustment range and is better suitable for different head sizes. The part in contact with the eye adopts the soft structure of lined sponge and outer perforated PU, which is very comfortable.
It seems that the slot of the phone slot is narrow. If the middle pressing plate is changed to elastic, it can be extended outward to adapt to the phone with a larger thickness, so that our iPhone battery back clip family will not have to remove the back clip every time we use it!
The remote control is independent, not the latest one embedded in the groove on the side of the glasses. The remote control controls the app through Bluetooth connection with the phone, and can adjust the volume, screen distance, source selection and other functions.
When watching 3D videos and games, the stereoscopic feeling is still very strong. I see it very well without any discomfort, but my daughter-in-law and mother can't do it. A little longer (just a minute or two) will feel dizzy.

App part:
Scan the QR code according to the instructions, go to the App store, download the App, bind the remote control through Bluetooth, and then start to operate the App remotely. By default, the app home page has three options: recommendation, 360 video and 360 game on the top of the "App Store". The video needs to be downloaded and played, but it can't be played all the time. There are only two games in the app, so you need to go to the Appstore to download them. They are two independent 3D game apps, which can also be played by controlling the direction through head movements. Later, I searched the App store and found that there were few 3D game resources. But Yin! I just managed to find a few IOS system videos and games to try the glasses 3D effect. It suddenly occurred to me that I also had an Android system mobile phone with charging fees. After installing the App, it was really different. You can directly watch the movie videos on the home page in the Wifi environment. However, the screen resolution of this free mobile phone is too low. It is like watching a movie from a distance of more than 10 cm from the screen. It is very rough.
The other three options can be selected through the button at the top left corner of the home page. "File management" can play local video files, "novice guide" can see operation help, and "problem feedback" can feed back problems in use to the official.

Overall experience: the 3D glasses are simple to use, exquisite in workmanship, beautiful in appearance and good in comfort. The ios version of the app is simple to operate, but it has many bugs. It will be released before it is perfect. It's a bit irresponsible!
     3、 Problems and improvement
Existing problems:
When using the Android mobile phone, the remote control needs to be connected every time. It can't be automatically connected, which is a bit uncomfortable. There are also restrictions on the thickness of mobile phones with glasses inserted.

Several videos downloaded from the iPhone can't be played. Some only have sound, no image, and some simply have no image! What's more funny is that when some videos are downloaded, they are prompted to download more than 150%! This bug shouldn't exist! The source of ios is not enough and needs to be supplemented. It seems that ios system App is not mature yet.

The most annoying thing is that the official response to the question is not timely enough. The question was raised through the feedback of the app and the QQ group, and no reply was received! The hardware technology content of this kind of glasses is not high. The key is the app function and timely after-sales service.
Suggestions for improvement:
1. Change the front mobile phone pressing plate to elastic and flexible to adapt to thicker mobile phones;
2. Raise the height of the adjusting ring of the lens to ensure that it is still 5 mm higher than the base when it is rotated to the orange base;
3. Perfect ios app;    
4. Strengthen after-sales service and respond to user inquiries and feedback in a timely manner.