Riversmerge RFID Rewritable ID/IC T5577/UID Changeable Black Ceramics Smart Finger Ring for Men or Women, with One RFID Reader Writer Copier for Duplicate, ID 125KHz Ring 22mm + Copier
- Blank silver ring In-built with 125Khz copyable T5577 chip, can copy the tag like TK4100/EM4100/EM4200..
- Blank silver ring is non-programmed, it can not directly used for access reader if without copied or written..
- Blank silver ring is RFID ring, not NFC ring, it can not directly work with NFC phone..
- Blank silver ring uses 360-degree omni-directional sensing technology, the sensing effect is much higher than similar products in the market..
- Blank silver ring is made of zirconia ceramic material, which is very comfortable to wear..