У вашего броузера проблема в совместимости с HTML5
Follow up Review Here: https://youtu.be/wRiLutI6mC8
How does a cheap Mpow (ID115Plus HR) Tracker compare to a fitbit (Alta HR) that cost 3X as much.
I'm extremely happy with this tracker so far... If anything changes, I will update you guys here on the channel.