Efanr R3 Smart Ring, Waterproof Dust-proof Fall-proof Wearable Magic App Enabled Rings for NFC Enabled Mobile Cell Phones Android Smartphones (Size 7)

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Amazon Price: $26.99 $26.99 (as of October 18, 2018 7:30 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Feature:
R3 can simulate and copy any IC and ID cards , like access control cards of House door or Building door, Elevator card, Parking card, Time card, Payment card, Supermarket card, transportation card.

R3 has Build-in Germanium, Volcanic Magnet and FIR Energy Stone in this ring , it can improve human performance effectively.

R3 carries a new NXP smart NFC chip, it brings top speed operation experience to the following Android mobile NFC features, like "Private Note","Mobile phone lock","Quick start","Share information".

R3 No need battery charging and IP68 Waterproof.

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