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MATRIX Industries PowerWatch, Batterie durch Körperwärme, Wasserdichte Smartwatch, Sport Uhr, kein Akku, Intelligentes Fitness Armband, Schlaf-Tracker, Schrittz und Kalorienzähler, Schwarz: Amazon.de: Elektronik & Foto
Matrix PowerWatch X review - The Gadgeteer
Matrix Powerwatch X review: Infinite battery... but what's the cost? - CNET
Matrix PowerWatch X review: The would-be future of wearables - Android Authority
Matrix PowerWatch X review: The would-be future of wearables - Android Authority
PowerWatch X (Temporarily Out of Stock)
Matrix Powerwatch X Test - geht dieser Smartwatch nie der Akku aus? - mobi-test