Languagessimplified chinese english capacity mah70 materialtpu plastic sim card typeno sim card slot connectivitybluetooth40 fitness wellnesssedentary reminder call reminder sleep tracker waterproof levelipx 6 brandxiaomi typesmart bracelet featuressports long standby pedometers calories burned alarm clock find my device heart rate monitor water resistant water proof touch screen sensorfinger sensor proximity sensor gravity sensor supported operation systemandroid io