RT @TheRegister: University study finds Fitbit's heart rate data out by 20 BPM https://t.co/8TtIZCvBNZ 0 atbildes
Mārtiņš Mičulis (2016-05-23 07:25:40) |
RT @TheRegister: University study finds Fitbit's heart rate data out by 20 BPM https://t.co/8TtIZCvBNZ |