M4 is Smart Bracelet for Monitor Your Health. Live Heart Rate Monitor, Blood Pressure Monitor (Non-Medical Use ), Calories Counter, Distance Etc.
Battery: 6-7 Days
Colo...
M4 is Smart Bracelet for Monitor Your Health. Live Heart Rate Monitor, Blood Pressure Monitor (Non-Medical Use ), Calories Counter, Distance Etc.
Battery: 6-7 Days
Color: Black
Connection: Bluetooth4.OBLE
Support: Android and iOS
