preface

The release of iPhone 7 brought us some surprises as well as some regrets. I like the dazzling bright black, admire the power of A10 processor, and love the ease of IOS, but unexpectedly, Apple has canceled the 3.5mm headphone interface! Users of 3.5mm earphones on their hands said they were very tired. Although they were equipped with converters, it was inconvenient to carry them every time they went out. So what should we do? At this time, the mobile phone case with the function of Apple headset adapter came into being! Among them, the iPhone 7 CoCase multi-function protective case from the Demon Lover is particularly outstanding.

Unpacking

The packaging of the CoCase multi-function protective case of the Demon Lover is simple. The simple product pictures and product names are all on the front of the package, which is clear at a glance.

There is a sticker on the side of the package with the color of the product. This series of mobile phone cases are available in five colors: black, dark green, blue, rose red and red, which are relatively rich in color. This time, I received black.

Product information is printed on the back of the package. You can see the relevant parameters of the Cocase multi-function protective shell intuitively.

The way to open the phone case is different from that of most products. The first thing you see is not the product but a manual.

Take off the manual, and finally you will see the product that is expected. The product is wrapped in a layer of CPE bag, and there is a cushion sponge on the side to protect the product from being squeezed during transportation, which makes people feel relieved.

The list of products is: protective shell * 1, instruction manual * 2. Although it is relatively simple, it is consistent with the product.

appearance

When buying a protective case, appearance should be everyone's first choice. The author is very uncomfortable with the hollowed out big logo, Tuhaojin color matching, and the bulky protective case, which is very consistent with my personal preference in appearance. This protective case is made of PC+ABS. It has good impact resistance and frosted surface texture, which can achieve anti-skid effect.

The three buttons in the middle of the protective case should be one of the most eye-catching places of this protective case, and also a big highlight of this product. The functions are very rich and convenient.

Volume+/Volume -:

1. Short press: increase/decrease the volume by one bar

2. Long press: continuously increase/decrease the volume

3. Short press twice in succession: switch to the next/previous song

Power key:

1. Long press for 2 seconds (power off status): power on

2. Long press for 5 seconds (power off status): Bluetooth pairing mode

3. Long press for 3 seconds (power on status): power off

4. Short press (startup status): when playing music, short press to pause playing; When the music is paused, briefly press Play; To answer a call, press briefly; During a call, briefly press to end the call.

5. Long press (when calling): reject the call

There is also an indicator light above the power key. Prompt the status of the current equipment, which can be clear at a glance and quite user-friendly. In the picture, the author is charging the protective case. When it comes to charging, many people may worry about the trouble of charging, but in fact, there is no need to worry. The protective case supports fast charging, and the standby time is up to 30 days. Once charged, it can be used for a long time.

Status indicator:

1. Blue light: the blue light flashes, and the device is not connected; The blue light is always on, charging;

2. Green light: the green light flashes 3 times continuously and quickly, and the equipment is connected; The green light flashes, playing music; The green light flashes continuously and slowly, and the call is in progress; The green light is always on, and the charge is full;

3. Blue and green lights: the blue and green lights flash alternately and quickly, and Bluetooth pairing is in progress; Blue and green lights are constant at the same time, and the machine is switched on and off;

4. Red light: low power of equipment;

The camera part of the protective shell is concave convex, which is much higher than the camera, and can well protect the security of the camera.

Another highlight of the protective case is also the core function of the product! 3.5mm headphone connector!!! It really realizes charging while listening to music. It is no longer necessary to prepare a special adapter cable. 3.5mm high-end headphones can also be taken out.

Compared with the satisfaction of other places, the top and bottom of the protective shell is a pity for the author. The protective shell does not take any protective measures for the top and bottom, and scratches and abrasion are inevitable in daily use. But there is one advantage in detail that deserves attention. The protective shell adopts a cambered design, and the thickness of the bottom hand grip is only 8MM, which greatly increases the feeling of holding.

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The power key and volume key on the side also have problems with the top and side. There is no protection for the power key and volume key, and they are completely exposed. There is no doubt that this design will make the wear probability much higher in daily use.

A layer of sponge pad is pasted inside the protective case, which can prevent skidding and reduce impact. It's very considerate.

user's experience

I found that the advantages and disadvantages of this protective case are quite obvious in use. Let's summarize it.

advantage:

1. Simple appearance design, low-key but not lose personality.

2. The design of three buttons can not only control the volume but also control the call, which greatly increases the portability of the product in use.

3. 30 day long endurance, fast charging technology, no need to worry about the tedious charging.

4. The use of indicator light makes the message clear at a glance!

5. The touch of frosted skin makes the product comfortable to hold, anti sweat and anti slip.

6. The expansion design of 3.5mm headphone hole makes this protective case doomed to be complicated.

Disadvantages:

1. The earphone hole is thick, which affects the aesthetics.

2. Although it has a built-in power supply, it does not support charging the phone.

3. The headset remote function is not supported.

4. The surrounding areas are not protected, and some areas are still easy to wear.

5. The audio quality is still slightly affected by Bluetooth conversion, and heavy headphone enthusiasts may not accept it.

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