Xtrem Inno E INK smartphone case displays your photos

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 post Xtrem Inno E INK smartphone case displays your photos first appeared on Good e-Reader .

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 through the iPhone 17 series, it allows you to instantly customize the back of your phone with any photo, graphic, or meme without consuming your phone’s battery. The Ino case features a 2.67 inches screen, which is circular.

It employs an E INK Spectra e-paper display that is capable of displaying Black, White, Red, and Yellow colors. The resolution is 400 x 400 pixels with 212 DPI. There is 0% energy consumption to maintain an image.

The display retains the graphic permanently, even if the case is removed or the phone dies. The primary materials of the case are a high-strength Polycarbonate (PC), shock-absorbing Thermoplastic Polyurethane (TPU), and an internal FR4 plate. The camera boarder is made of an aluminum alloy camera frame for maximum lens protection.

There is an app that allows you to upload pictures to the back of the case. It relies entirely on passive harvesting of local NFC signals during image transmission. It is MagSafe compatible, so it can use all of your wireless charging docks, which charge your iPhone.

The Xtrem Instant Custom Case is available now for iPhone 15 through 17 models, including Pro and Pro Max variants. The newest version for iPhone 17 is $73.99, while older models are $69.99. The case is available in white, black, and orange colorways.

- XTREM' Difference: A seamless integration of an NFC-enabled E Ink display into a sleek magnetic ring. Featuring a 212dpi, 4-color system (black/white/red/yellow) with 37% wider color gamut than standard tri-color screens, it perfectly renders photo gradients and text clarity—blending minimalist design with maximal functionality - Wireless. Limitless.

Effortless: The XTREM E Ink Phone Case redefines zero-power technology. Change designs instantly through the G-SHELL app – no charging cables or batteries needed. Featuring advanced E Ink technology and proprietary rendering algorithms, it delivers razor-sharp graphics that remain visible permanently (0% energy consumption) – even when detached or with your phone powered off - Built for Your Daily Battles: A slim, ultra-durable Magnetic NFC E-Ink Case featuring reinforced corners, a patented frame, and proven drop-test performance.

Designed for full protection, it combines shock-absorbing TPU, 3mm raised edges (360° coverage), precise cutouts, and an anti-slip grip