Xiaomi mi band 2 smart bracelet activity trackerwater resistant water proof long standby calories burned sports health care heart rate
Languagessimplified chinese english capacity mah70 connectionbluetooth40 brandxiaomi typeactivity tracker smart bracelet featuresdistance tracking long standby calories burned find my device heart rate monitor water resistant water proof touch screen sports health care modelmi band 2 sensorfinger sensor heart rate sensor accelerometer proximity sensor supported operation systemandroid ios screen typedisplay technologyoled