Series 10 smart watch with magnetic chain strap

 LONG BATTERY LIFE AND WATERPROOF DESIGN: Fitness watch can be used Long of charging. It can withstand daily sweating, so you can fully enjoy your workout.
- MULTIFUNCTIONAL AND HIGH COMPATIBILITY: With a variety of smart functions such as stopwatch, alarm clock, breathing guidance, sedentary reminder, etc, it adds convenience to daily life. The watch is compatible with cell phones running