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NFC Smart Ring, NFC Multi-Function Smart Rings Magic Wearable Device for Mobile Phone, 6/7/8/9/10/11/12/13 inch Optional(8inch) : Electronics

ZYZM R4 Smart Ring Multifunctional Lord of The Rings is Compatible with iOS and Android No Need to Recharge Waterproof and dustproof IC/ID Card (8#) : Electronics