Wearables: Bezahlen oder überwachen – wie zuverlässig sind Smart-Watch und Ring?
WearablesBezahlen lässt sich heute mit Uhren oder einem Fingerring. Die Messung der Vitalfunktionen damit ist aber nicht immer exakt. Stiftung Warentest hat sich Smart-Ringe, Smart-Watches und Fitnessarmbänder angesehen.
Der teuerste unter den gestesteten Smart-Ringen: Samsungs Galaxy-Ring.
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