Product Type: Intelligent wrist strap
For input: the tempo sensor.
Of the heart
Materials used: Plastic
Others: Supports alerts that work.
Together with smartphones ANDROID4.4 and above
IOS8.0 and above
Heart Rate Monitor Includes step-by-step fitness tracker. Calorie meter Sleeping Behavior Tracker and Alerts Dustproof, but not designed for use in water, has a 0.96 "OLED screen.