Capacity mah60 connectivitybluetooth41 bluetooth 42 bluetooth40 fitness wellnesspulsometer sedentary reminder call reminder alarm clock ram64mb waterproof levelipx 7 typesmart bracelet featuresmessage control touch screen sports blood pressure measurement pedometers calories burned heart rate monitor water resistant water proof sensorfinger sensor heart rate sensor light sensor supported operation systemandroid ios screen typedisplay technologyoled production modes