S2 smart bracelet movement step bluetooth touch sleep health monitoring waterproof
Languagesindonesian polish arabic portuguese japanese russian spanish german french english capacity mah86 materialsilicone connectivitybluetooth40 fitness wellnessexercise reminder sedentary reminder find my device sleep tracker activity tracker cpunrf51822 charging timeh1 waterproof levelipx 6 typesmart bracelet featuresanti lost touch screen sports distance tracking long standby pedometers calories burned heart rate monitor modelyys2 sensorfinger sensor heart rate