Versatile and dynamic window Unlimited refresh times
A phone case that allows for free DIY of images. Realize dual screen mobile phones that can change the style of the phone case anytime, anywhere. Unlimited number of times, one shell can top ten thousand shells and there are new patterns every day
Four color ink screen Show all the details
The screen can display four colors: black, white, red and yellow, which are more advanced than three colors.
Realistic and visually appealing, based on electronic paper display technology, it can be used in bright light and indoor environments. Continuous display in the middle, paper-like display effect ensures comfortable viewing.