Note: Please download APP firstly, and bind the watch, Do not use the mobile phone Bluetooth to directly link the watch. If it is already connected, please delete the matched watch from the mobile ph more→one Bluetooth matching device. 1.The principle of wearable device measurement is completely different from that of medical equipment. It is only for sports and fitness reference, thank you. 2.Charge for 3 hours when using for the first time.（The watch may run out of power during long-term transportation. When the watch is completely dead, it will take a while for the charging interface to appear. Don't worry, this is normal.） 3.Please download the APP before use（The time and language of
