Lovewe Multifunctional NFC Smart Ring, Waterproof Intelligent Magic Smart Ring Universal Wear Finger Digital Ring for Samsung, Huawei, Android and NFC Cellphone Mobile Phone (D)

Description

Size:D ❤~❤ Water Resistant and No charging required ❤~❤Size:6,7,8,9,10,11,12,13 (please refer to the size picture) ❤~❤Chip: NFC chip ❤~❤Working frequency band: 13.56MHZ ❤~❤ Storage space: 144BYTES ❤~❤ Transmission rate: 106kb / s ❤~❤ Uses: set up smart lock, card recharge, smart phone unlock, phone important file lock, transfer files. ❤~❤ Features: No charge, programmable read-only lock function, 7-byte serial number clone protection