Languagessimplified chinese english capacity mah60 materialsilicone sim card typeno sim card slot connectivitybluetooth40 fitness wellnesssedentary reminder alarm clock sleep tracker ramother water resistance depth5m waterproof levelipx 4 typesmart bracelet featuressports long standby blood pressure measurement pedometers calories burned heart rate monitor information sensorheart rate sensor supported operation systemandroid ios screen typedisplay technologyoled