The iPhone 7/7 Plus replaces the 3.5mm headphone interface with the Lightning interface. The headset equipped with the Lightning interface in the standard configuration also comes with a 3.5mm to Lightning interface converter. The innovation and improvement of Apple has more or less brought inconvenience to the use of fruit powder - charging and wired earphones cannot be used at the same time.

Mobile phone case can be said to be a necessity in mobile phone accessories. The mobile phone case has been upgraded from a fall proof function to a multi-functional protective case, which is not enough. The function of the CoCase multi-function protective case (iPhone7 Plus) has been upgraded to a smart mobile phone case. The CoCase multi-function protective case (iPhone7 Plus) of Demon Lover has its own lithium battery and Bluetooth function. It can connect with the iPhone7 Plus via Bluetooth. There is no need to worry about the problem of charging the iPhone7 Plus at the same time and using a wired headset.

The product packaging box is very simple. The front uses English smart protective case for iphone7 plus - intelligent protective case for iphone7 plus, and the side is frosted black in traditional Chinese. Obviously, the product is from Taiwan.

The manual of the product is in traditional Chinese, proving that the product belongs to Taiwan.

The contrast between the front of the product and the front of the iPhone 7 Plus.

The product is made of frosted material, which feels very comfortable and close to the skin. The product has three multi-function buttons: the left one is volume increase and next song. On the right is the volume down and the previous song. In the middle is the power key, which can be used to switch on/off, pair Bluetooth, answer, hang up, reject, play and pause.

The contrast between the opposite side of the product and the opposite side of the iPhone 7 Plus.

The shockproof layer with cotton texture can effectively prevent shock.

The front function keys (volume key, power key) of the product are 3.5mm headphone interface and Lightning interface.

The camera port on the front of the product fits perfectly with the iPhone 7 Plus camera.

The product fits perfectly with the iPhone 7 Plus.

The upper and lower sides of the product fitted with the iPhone 7 Plus perfectly.

The product fits perfectly on the left and right sides of the iPhone 7 Plus.

3.5mm headphone interface and Lightning interface of the product.

Press the power key of the product to turn off the phone, and then press the power key for about 5 seconds to turn on the phone to enter the Bluetooth pairing mode. The blue light flashes alternately with the green light, indicating that the phone has found the Bluetooth device on the phone case. The green light flashes, indicating that the Bluetooth connection is successful.

In the music listening experience, the Bluetooth connection is stable and comfortable. The product function key does not need to open the mobile phone screensaver. The music can be flipped up and down and the volume can be controlled at any time. The control is convenient and fast.

The product supports one button call function. The call voice is clear, without noise and jamming. Overall, I felt that the smoothness and comfort of the call were very good, and the sense of control was not bad.

The battery capacity of the product is 420mAh, which can be fully charged in about 1 hour. It can be used for about 2 hours after charging for 5 minutes. The standby time is up to about 30 days, and the continuous play/talk time is about 30 hours. The battery is very durable.

The CoCase multi-function protective case (iPhone7 Plus) is an intelligent multi-functional protective case. It can effectively solve the problem of simultaneous charging and using wired headsets for iPhone7 Plus. The product adopts CSR top audio decoding chip to restore perfect stereo sound. In the actual experience and control of the product, the Bluetooth connection is stable, the voice call effect can be comparable to that of the mobile phone, and the music effect is also good, smooth and free of jamming. On the whole, the product's multi-function keys are of average controllability, and the sensitivity of the power button needs to be improved. The three function keys of the product have no protection measures against accidental touch. The product adopts the design of ultra-thin curved surface, which makes the bottom grip at the thinnest 8mm, and has a comfortable skin feel; It is made of sand, which is antiskid and sweat proof, and can be easily controlled by one hand.

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