1, Wristband with RFID tags 2, Customized logo and frequency 13.56MHz 3, Tough, waterproof, non-tear, non-stretch Specifications:The KD-WB04 ... provide relevant frequencies according to different countries or regions. The wristband is tough, waterproof, non-tear, non-stretch and used for ... -30°C~120°CWeight30g High Frequency (13.56MHz) RFID Silicon Wristband