Item: RFID silicone wristband (iron ring buckle) Wristband size: 234MM Length Round part: 30.9mm Materia: silicone Work Frequency: LF125KHzï¼?HF13.56MHz Read & Write: 00,000 times Data Storage: 10 Years SILICONE WRISTBAND Chip available: Low frequency 125KHz, EM4200, T5577, TK4100, etc.High frequency 13.56MHz ISO14443A protocol: Ntag216, Ntag203,NXP S50ã??S70ã??Ultralightã??FM1108ã??Desfire serials,etc. ISO15693 protocol: NXP I-CODE-SLi/SLi-X/SLi-Sã??Ti-2K,etc." User memory: 1K Bitsã??64 Bytesã??1K Bytesã??2K Bytes,etc(depends on chip) RFID Wristband Color optional: Redï¼?Blueï¼?Yellowï¼?Orangeï¼?Green, etc;(Can customize any pantone color) Other craft: Silk printed logo or text, Laser printed numbers (SN,UID,etc) Read Range: 3-5cm(Depends on reader) Packing: 100pcs/bagï¼?1000pcs/carton Weight: 18g/pcs, 19KG/carton Carton size: 42*34*35CM We are the highly experienced company that specializes in the design and production of plastic cards, tags, RFID Silicone Wristband, Luminouse Wristband, labels and premiums. We are running our own mould workshop and production department, designing and producing all of products in house.