Package Contains5Pcs NFC keychain built-in 213 chip, the size of the keychain is 33.5*30mm (1.32*1.18inch), 13.56MHz, 137 bytes of memory, high scanning intensity, NTAG213 chip with read/write lock function, can be repeatedly edited or read-only.
Versatile & PracticalThis compact keychain can be used as a key accessory, backpack accessory or luggage tag. Its strong split ring securely holds keys and small items, making it a functional addition to your daily essentials. The NFC tags can also be used to share social messages, music, connect to Wifi, for Google reviews, website access and more.
High Quality MaterialThe NFC keychains shell is molded using precision molds and high-grade corrosion-resistant, high-temperature-resistant materials. The internal chip is encapsulated and filled with epoxy resin, it has excellent scratch resistance and wear resistance, is waterproof, shockproof, and corrosion-resistant, and can store data for up to 10 years, ensuring worry-free everyday use.(The NFC213 keychain cannot be used on metal surfaces)
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5PCS Black NFC Keychains NTAG213 Chips Programmable NFC Tags NFC Keyfobs NFC CardsCompatible with NFC-Enabled Phones & Devices