... Color: blue, red, black, etc. 13.56MHz Mifare RFID wristband with 1k Byte Memory 1. Waterproof, dampproof., Quakeproof, high temperature resist 2 ... The wristband is made of silicone. It is designed for applications which require resistance for waterproof and high temperature resist. ... Options of RFID Wristband1) LF (125KHz): EM4100,EM4200,T5577,Hitag 1,Hitag 2,Hitag S, etc.2) HF (13.56MHz): Mifare1 S50 ...