Matrix PowerWatch im Test: Die Smartwatch, die Du nie laden musst
PowerWatch 2 Smart Watch - Premium Edition, Body Heat Powered Fitness Tracker Smart Watch, Waterproof to 200 m, Skin Temperature, GPS and Altitude, Calorie and Step Count, iOS and Android : Amazon.de:
MATRIX Industries PowerWatch, Body Heat Battery, Waterproof Smart Watch, Sports Watch, No Battery, Smart Fitness Bracelet, Sleep Tracker, Step and Calorie Counter, Black: Amazon.de: Electronics & Photo
PowerWatch 2 Luxe - Smart Watch, sports watch, solar / thermoelectric charge, power control, body temperature measurement, GPS and altitude, iOS and Android : Amazon.de: Electronics & Photo
The Matrix PowerWatch 2 is a vampiric timepiece that sucks your life-force | TechCrunch
Matrix PowerWatch 2 Review: You Are The Battery - YouTube