smart ring with nfc

13.56MHz NFC Smart Ceramic Access Control Ring | ISO 14443A | Chip: MIFARE Classic/NTAG/F08, etc. Made of zirconia ceramic, it boasts high hardness, scratch and wear resistance, and IP68 waterproof and dustproof capabilities. Simply raise your wrist to swipe; compatible with access control card readers and NFC-enabled mobile phones; supports laser engraving of custom logos/numbers. Suitable for office building access control, hotel room cards, gym memberships, residential community access control, and other scenarios.