The Xtrem Inno Instant Custom Case is a smart smartphone cover featuring a built-in E-Ink display on the back. It uses Passive NFC technology to change and retain images indefinitely without draining your phone's battery or requiring a separate charge. The po…
The Xtrem Inno Instant Custom Case is a highly popular smart smartphone case featuring a built-in 4-color E-Ink display on the back. Available primarily for iPhone models, which range from iPhone 14 …