The mobile phone case of the e-ink screen is connected to the mobile phone through Bluetooth, and can be used to replace pictures, texts and other operations. Compared with traditional mobile phone cases, circuit design and ink screen (electronic

The mobile phone case of the e-ink screen is connected to the mobile phone through Bluetooth, and can be used to replace pictures, texts and other operations. Compared with the traditional mobile phone case, the circuit design and ink screen (e-paper screen) are used as the display carrier, and the power is taken on demand during work, which is energy-saving and environmentally friendly. You can control the hair with one click through the mobile APP, and change the picture style at any time, which is safe and convenient, so that the mobile phone can be dual-screen from now on.