Languagesenglish capacity mah100 materialsilicone connectivitybluetooth40 fitness wellnessexercise reminder sedentary reminder find my device sleep tracker activity tracker calendar cpunrf51822 charging timeh1 typesmartwatch featuressports distance tracking long standby pedometers calories burned heart rate monitor anti lost camera control message control touch screen modelyyh3 sensorfinger sensor heart rate sensor gyro sensor proximity sensor gravity sensor supported