Smart RFID wristband Waterproof PVC, silicon, nylon, Mifare S50, I code, EM4100 Number printing RFID smart wristbandChip available:EM4100, 4102, 4450Temic T5557, T5567Hitag1, Hitag2Mifare S50, S70, UltralightDesfireI codeMaterial available: Silicon, PVC, NylonWater proofApplication:TransportationIdentificationElectric paymentBathroom,Game zoon, etc. smart wristband