morepro spo2 blood oxygen blood pressure heart rate monitor waterproof activity & fitness tracker smart watch with hrv health sleep monitor tracker for android ios women men morepro <p>charging time: 1 hour important note please make sure the bluetooth of your smartphone turn on and connect with smartphone via the app ”morepro” , not bluetooth menu. please keep your wrist stable and clean when testing blood pressure. sleeping data updated every 24 hrs, please don’t think it doesn’t work when you get up. alarm , sedentary alert, sms&sns alert feature need to set up in the app, tap"setting"-> "v19"->begin set up. please set "morepro" auto run in the app management if meet connect problem in android smartphone, authorize ” morepro” and turn on all the switches in the app permission.</p>