For Samsung Galaxy S24 Ultra Smart Case NFC Transmit Phone Ink Cases 4 Colors E Ink Screen Galaxy DIY Function Cartoon Boys Girls Phone Covers (Grey, for Samsung Galaxy S24 Ultra)

Protective Case: Protect your GALAXY S24 ULTRA with this durable and stylish case with a matte feel, designed to provide optimal protection and personalization, a smart window to your phone.4-colour E Ink Display: Enjoy a unique and energy-efficient display with the integrated E-Ink screen, perfect for customizing the case with your favorite images or designs.NFC Refresh: Easily update the E Ink screen display by simply tapping your NFC-enabled device to the case, allowing you to change the design effortlessly.DIY Personalization: Unleash your creativity and personalize the case with your own pictures or artwork for a truly unique and one-of-a-kind look.Battery-Free: This innovative case operates without a battery, ensuring a hassle-free and eco-friendly experience. Long-lasting ink display: Enjoy a changeable and long-lasting image display without the need for a battery, making the QSM E-ink case a sustainable and innovative choice for Samsung S24 ultra users.About APP:Easy-to-use App,Scan the QR code or search Deer Phone Case in the App store. Registration required just download and installHybrid Material: Made from top-quality TPU +Leather velvet+Aviation aluminum alloy, this case effectively protects your phone from daily damages