... , black, etc. 13.56MHz Mifare RFID wristband with 1k Byte Memory 1. Waterproof, dampproof., Quakeproof, high temperature resist 2.Ring type ... , green, pink, etc.Features of RFID Wristband1) Close-type watchband, elastic, easy to wear and use, waterproof, moisture proof, shockproof, and ...