Languagespolish arabic portuguese japanese russian spanish german french english indonesian 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