Enter the E-Ink Cover, a revolutionary accessory that redefines the norms of smartphone personalization. With its advanced e-ink screen technology, it offers a fresh avenue for making your iPhone distinctively yours, ensuring it stands out as a mirror of your unique identity. Showcase Your Style Leave bland cases behind! The E-Ink Case lets your phone reflect your individuality. From celebrities to to-do lists, mottos, logos, or pet photos, personalize endlessly. Each design transforms your case into a unique talking point. NFC Technology The E Ink Case, an energy-saving and eco-friendly phone case, uses NFC to wirelessly transmit data for screen projection. No batteries or cables are needed, it enables a customizable dual-screen experience directly on your phone case. Durable and Sleek Design Hybrid Material: Crafted from premium PC and TPU, featuring a carbon fiber texture for an enhanced feel and anti-fingerprint properties. Ultra-Slim Profile: Maintains the phone's original aesthetics without adding bulk, providing a non-slippery and secure grip. Perfect Covered: All of your phone’s buttons, and switches made of textured metal features and functions work flawlessly, and convenient open access to ports and speakers. How to Use 1. Put your mobile phone into phone case 2. Turn on the NFC switch on the phone 3. Search the name "Clever Play" in the APP Store to download 4. After registering/logging in to the APP with email, you can use it 5. Click the "Diy Create" button and "Entering Creation" button to start DIY creation such as adding a new picture/text, editing it freely, and creating your work name 6. After the creation work is finished, click the "complete" button and click "shot Screen" two options: Black white screen, Multicolor screen, click "Confirm screen projection" Specifications: Screen Size: 3.7 inches Screen Resolution: 240(H) x 416(V) px Color: 3-color display