NEW Coming 4 colors Eink Screen Smart Ink Back Cover Screen Display NFC Application Reference For iPhone Casing 12 pro maxDIY Cell phone Protector Cover Protective Handheld accessories custom phone Protection case Smartphone Phonecase

How Smart Ink Screen Work: Search the APP at your iPhone store , download it to your iPhone, open the APP and registered account by phone number or email, and you can freely edit and transfer pictures and text. The APP is very simple to use.The device requires IOS15 or above version

E-ink Screen Phone Case: Built-in NFC technology, this portrait case for iPhone can transmit display content or Photos to the ink screen of the phone case with low power consumption. After the transmission is completed, No energy is consumed. Even if the phone is turned off or the iPhone case is removed, the image can still be permanently displayed

Four-Color Display: The color,pixels and clarity of the 4-color ink screen phone case are not compare with LCD screens. Projected images are limited to black, white, yellow and red colors, but by employing clever dithering techniques and adjusting color intensity, it is possible to simulate full-color effects. So that you can DIY display you own photos or artwork on the back of my phone

Sturdy Protection for Daily Drop: Digital phone case has undergone drop testing, And its precise opening design allows you to easily access all buttons, Speakers, And charger slots. Provide delicate touch and anti slip grip

Perfect Fit: Picture phone case supports projecting images on the phone case, You can choose your own image. It can be given as a gift to lover, family, fathers, mothers, and friends, such as on Mother's Day, Father's Day,Anniversary,Valentine’s Day