普段あまり気にしないデータだからこそ、毎日計測しておきたい歩数、高低移動量、移動距離、消費カロリー、心拍数 ...
I’ve been testing a screen-free activity tracker from Finland-based sports tech firm Polar. It’s good to support independent tech that’s designed and manufactured in the EU such as the Polar range of ...