Fangrui Product Details Wireless Convenience: Experience The Innovative Nfc-powered Technology With The 7.5inch E-paper. This Display Requires No Battery, Its Power And Data Purely Through Nfc, Making It For Applications Where Conventional Power Sources Are A Challenge. Efficient And Eco-friendly: With Its Battery-free Design, This E-paper Display Is Not Only Environmentally Friendly But Also Cost-effective. It Eliminates The Need For Battery And Disposal, Offering A Alternative For Digital Displays. Versatile Applications: Ideal For Price Tags, Shelf Labels, Or Any Dynamic Information Display In Retail, Logistics, Or Exhibition Settings. Its Wireless Allows For Seamless Updates Without The Need For Physical Access, Enhancing Operational Efficiency. Colour:white Material:abs Tips: The Product May Be Updated Constantly ,due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * 7.5inch Nfc-powered E-paper V2 1 * Card