• NEW TECHNOLOGY APPLICATION：NFC technology is used to transmit display content to the ink screen of the diy phone case with low power consumption. After the transmission is completed, no energy is consumed. Even if the mobile phone is turned off or the custom phone cases is removed, the image can be displayed permanently.

• DIY SMART PROTECTIVE CASE：The smart ink screen phone case is crafted from advanced TPU+silicone material, with a 3mm PC thickness. The custom phone case accompanying app allows for the customization of patterns and rapid printing in just 3 seconds, enabling users to easily change display patterns at any time and place for optimal visual impact. These innovative designs can serve as unique gifts for friends and loved ones on special occasions such as anniversaries, christmas days, or birthdays.

• APP IS EASY TO USE：Scan the QR code in the user manual to download and open it on your phone. After connecting your e ink phone case you can freely edit pictures or text on the app to create your own exclusive design.[Goodwill Advice]The application needs to obtain permission from the mobile phone gallery to facilitate users to design mobile phone cases with customized pictures. If you feel that it will violate your privacy, please purchase and download with caution.

• CORRECT INSTALLATION AND COMPATIBILITY：This ink screen phone case is compatible with models iPhone 13 to 16 Pro Max. It comes in a sleek black,Pink and white color.That's easy to disassemble and assemble—please refer to detailed installation instructions provided in the user manual.

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