DINGK R5 Smart Ring - 128GB IP56

Features: The built-in IC and ID modules can take the place of Access card, Parking card, Membership card, Shopping card and other RFID cards;The built-in NFC module can realize Virtual call, Scene notification, Business card sharing, Memo sharing and other featured cloud services.IC / ID / NFC card simulation | iOS Android dual platform Cloud Application. Specifications: Name: R5 Smart Ring Color: Black Carrier frequency: 13. 56MHZ, 125KHZ RF distance: 1~3cm IC chip: CUID x2 ID chip: T5577 x2 NFC chip: Ntag216 x2 Host material: ceramic Size: S, M, L Perimeter (mm): S:50~58, M:58~63, L:63~73 Protection Grade: IP56 Operating Temperature Range: -50℃—+80℃ Weight: 9 grams Package includes: 1× R5 Smart Ring Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!