The Rollme R3 is a $90 smart ring with health, exercise and sleep tracking
Smart rings are the new wearable craze with multiple makers launching competing models, but most of them are fairly pricey ...
Read moreSmart rings are the new wearable craze with multiple makers launching competing models, but most of them are fairly pricey ...
Read moreThe Rollme R1 Health Smart Ring is a budget model. (Image source: Rollme)The Rollme R1 Health Smart Ring has appeared ...
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