NFC ring
Tech specs 
MaterialHigh-tech ceramic
Battery lifeNo charging required
RechargeableNo charging required
Water resistanceWater resistant down to a depth of 50 meters
SensorsTwo special NFC tag inlays
Activity tracking
SOS button
OtherCan be used to make payments, access control, unlock & control mobile devices, transfer information, link people and much more.
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Amazon US rating3.4 out of 5 stars
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