Featuresr when you use the miband you must download the app named mi bandr oled display touch operation newest wrist strap design upgradepedometerr timestepsheart rate display oled display screen you can see thetimestepsheart rate with circular button touch you can also raiseyour wrist to get the datalift the wrist bright screen function setin appr upgrade pedometer more accurater heart rate monitor scientific movementr sedentary remind keep fitr sleep monitor functio