L9 Bracelet Full Round Screen Multi-Sport Heart Rate Sleep Monitoring Offline Payment Brown leather belt

Description

Repeat wear demanding environment test with high temperature, drop test and cold-water immersion can ensure free to wear anywhere.The consume in the power system is analyse and calculate in the thesis to achieve long battery life,also it has a USB cable for charging to guarantee an extended period. Vibration alert,caller ID,SMS, message content display,anti-lose, sendentary notify function,sleep quality monitor,alarm cycle,caloric intake,lost phone option.