CCYLEZ NFC Smart Ring - Waterproof Ceramic Wearable Tech for Contactless Payments, Access Control, Attendance Tracking - Size 10 - Perfect for Office Security, Gym Entry & Cashless Transactions

Spec: Item Type: Smart Ring Material: Ceramic IC Chip: For Ntag215 Transmissing Rate: 106k bit/s Chip Frequency: 13.56mHz (IC Chip) Induction Distance: Desktop Reader, distance of more than 3CM Erase Write Times: For EEPROM data read times greater than 10W times Ring Size: No.10, Ring Circumference: Approx. 65mm / 2.56in, Inner Diameter: Approx. 19.8mm / 0.78in How to Use: When wearing the ring on your finger, please note that the ring is made with a 360° wire wrap antenna design around the chip, so it may appear slightly curved when worn on the finger, but this is to achieve optimal performance. PackageList: 1 x Smart Ring