Q：Is the phone case heavy?

A：The phone case is about 60 grams, which is similar to the ordinary phone case.

Q：The screen projection effect is not as good as expected?

A：Compared with traditional LCD and OLED screens, the ink screen consists of many tiny particle capsules that enable imaging by pushing the particles to a designated location. It does not rely on backlight lighting. The power consumption of the ink screen is very low. It consumes power only when refreshing the content. The static display does not consume power. In addition, the ink screen is still clearly visible under strong light.

Q：Is the phone case waterproof?

A：In principle, it is waterproof because there is no electricity required. However, it will cause water mist to enter the inside of the shell, affecting the use of the ink screen.

Q：Can I transfer my own pictures?

A：OK. There are a large number of pictures in the APP, and you can also select the photos in your mobile phone album to transfer them to your mobile phone case.

Q：Does the phone case support MagSafe?

A：Supports wireless charging, but does not support magnetic absorption.

Q：Does the mobile phone case projection app need to be paid?

A：All apps are free, and all the pictures and functions in the app are free.

Q：Do mobile phone cases need to be charged?

A：No built-in battery, no charging required. It realizes screen projection through NFC wireless transmission.

Q：Does the mobile phone case screen projection app need to be paid?

A：All apps are free, and all the pictures and functions in the app are free.