Wearable devices monitors human activities through electronic sensors, and they are at the consumer electronics level. It's normal for certain deviation. The user should treat data objectively. Please do not compared to hospital equipment about reading, it is NOT a medical device! Before use, scan the QR code on the manual to download the app and connect it to the watch with APP.
Blood Pressure, Passometer, Sleep Tracker, Push Message, Heart Rate Tracker, Blood oxygen, Alarm Clock, Remote Control, Social Media Notifications, Message Reminder, Call Reminder, 1.3 inch large screen, color screen, smart bracelet.