4" E-Ink Display (Customizable Back Panel)
Equipped with a crisp 4-inch E-Ink screen that allows you to display custom images, text, or designs, giving your iPhone a truly personalized look.

Ultra-Low Power Consumption
E-Ink technology consumes minimal power, maintaining your display for long periods without frequent charging.

Smart App Control (Easy Customization)
Connects to your smartphone via a dedicated app, allowing you to quickly upload and change visuals anytime.