Id107 smart bracelet ios androidwater resistant water proof calories burned pedometers sports health care heart rate monitor touch
Materialsilicone connectionbluetooth40 talk timeh3 typesmart bracelet featurespedometers calories burned heart rate monitor sleep tracker water resistant water proof information touch screen sports health care modelid107 sensorfinger sensor light sensor gravity sensor supported operation systemandroid ios screen typedisplay technologyoled cpunordic nrf51822 stand by timeh72 100