RollsTimi RT-DT watch X Metal

Please note: Wearable devices monitors human activities through electronic sensors, and they are at the consumer electronics level. Please do not compare with hospital equipment, it is not medical equipment! Please charge it for 2~3 hours when you receive it. it was run out of power after the long delivery. Do not use a high-power power supply or fast charge to charge the watch to avoid damage to the watch. 5V 1A recommended. Before use, please read the user manual,and connect it to the watch through the app. For Android users: please authorize the APP to access the functions required by the phone and always let it run. The smart watch supports Life Waterproof. So soaking, swimming, diving and hot shower are prohibited.