** used ***HECERE T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring 125KHZ/13.56MHZ Wear for Men or Women (T5577 125KHZ-21MM)

Product details: Chip: T5577 ID blank, T5577 ID programmed, UID IC Frequency: ID or IC Inner diameter of ring: 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm Color: Black Material: zirconia cormic + epoxy resin Sensing direction: Omnidirectional sensing Sensing distance: 0-10cm (Depends on reader) Packaging: One RFID smart ring + One instruction Note: 1.Before you buy the ring, please make sure the frequency. We have three kinds: UID IC ring: In-built with IC ISO14443A UID changeable chip. The chip has been programmed with a UID, it can directly used for your compatible access control device. You can also use it to copy like F08 card . T5577 ID: In-built with blank T5577 chip, can copy the tag like TK4100/EM4100/EM4200. It can not directly use for access control device. Programmed ID: In-built with pre-programmed T5577 chip, can directly used for TK4100/EM4100/EM4200 ID compatible access control device. It can not use to copy other ID tag. 2.When use ring to copy card, please make sure if the card you want to copy is encrypted. If the card is encrypted, make sure your copier has ability to copy encrypted card. If you have bought similar blank dublicable product(like key, card, wristband) and successfully copied your old card, then most possibility our product can copy your old card with your copier. 3.Some access machine work with encrypted tag, our ring can not work even the frequency and protocol is compatible. At this situation, you should ask the reader supplier to authorize the ring. 4.Our T5577 ID ring is blank, it can not directly used for access reader if without copied and written. Our programmed ID ring is programmed, it can not used for copy other tag. However, our UID IC ring can directly use with access control reader or copy other access control tag. 5.Our ring is not NFC ring, can not use for phone.