OverviewInnovative technology: The Ink smartphone case offers a unique way to showcase your most cherished memories directly on your phone. With its cutting-edge NFC technology, this e-ink NFC smart case s that your images are displayed indefinitely without draining any battery.Easy Image Customization and Update: Customize and update your phone case screen on the go with the NFC smart app. Open the app, customize your photos with a simple scan action, and you're done! Updating your phone's appearance is as simple as repeating these quick steps, making it the best smart NFC app update case.Creative and functional design: In addition to being visually appealing, phone cases are also functional marvels. The E-NFC-enabled Smart Magic phone case passed the drop test with flying colors, offering a precise opening design for easy access to all ons and ports, and a non-slip handle to your device is protected and stylish.Safe and non-consuming to use: no need to worry about the built-in battery, no need to worry about overheating, no need to worry about damage, just use NFC streaming through the app, and the image will remain displayed for a long time even if the phone is turned off or the case is removed.Wide compatibility and easy installation: Just confirm your phone model before ordering to a perfect fit for this e-ink NFC smartphone case. Its classic design not only enhances the appearance of the device, but also supports a wide range of applications, guaranteeing simple installation and a seamless user experience.