5pcs RFID MF Classic 1k Waterproof Access Key Adjustable Wristbands, Identity Waterproof Smart Wristbands (Orange)

["1. The wristband is equipped with an M1 chip","2. Product operating frequency: 13.56MHz, communication protocol: ISO/IEC 14443A, storage capacity: 1K byte, service life: 10 years","3. Read and write frequency: read unlimited times, erasable 100000 times, 0 sectors cannot be rewritten, it needs to be used with an RFID card reader compatible with 13.56mhz","4. Applications: Community parking access card, campus card, enterprise card City bus one card, hotels and guesthouses, swimming pools, parties, etc","5. Made of high-quality materials, matched with comfortable and waterproof features, and adjustable in size."]