22.04.2014 19:36 Uhr, Quelle: Engadget

Withings Pulse O2 monitors blood oxygen levels for climbers, asthmatics

Withings released its Pulse tracker late last summer, and now the outfit has announced it's successor: the Pulse O2. Just like that first fitness gadget, the new model keeps tabs on heart rate, sleep and activity (steps, distance, elevation and

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