Smart rings are the new wearable craze with multiple makers launching competing models, but most of them are fairly pricey – for example, a Galaxy Ring is $400, a gen 3 Oura Ring (which is three years old now) still goes for $300. But smart rings don’t have to be expensive as Rollme’s new model demonstrates. Rollme R3 smart ring in Black, Silver and Gold The Rollme R3 can be yours for just $90. There are technically two models that precede it, but Rollme launched the R1 in January of this year and the R2 came in March. The R1 is $100 and the R2 is $90. The R3 comes in...

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