This is a new kind RFID wearing products. It is designed by ceramic material of central ring and resin material of surface. The pattern and color can be customized. RFID chip is 13.56Mhz UID changeable ISO14443A. This ring can be used to copy the access control card of mifare s50 and fudan f08, which use UID as access verify. Compared other RFID ring in the market, our ring has better sensitivity. It can be read from 360° angle.