rfid silicone wristbands 1.Oval dial, Waterproof 2.inside diameter--74mm; band width-16mm 3.Color: blue, red, ... Wristband1) LF (125KHz): EM4100,EM4200,T5577,Hitag 1,Hitag 2,Hitag S, etc.2) HF (13.56MHz): Mifare1 S50,Mifare1 S70,Mifare ... ,IMPINJ M4, etc.Specifications of RFID Wristband1) Material: silicone2) Dimensions: watch dial—oval; inside diameter--74mm; band width—19mm3) Color: blue ...