The wireless heart rate belt can display your heartbeat data from chest belt through wireless transmission.
It can be used as a stop watch to count the laps, perform calories and fat calculation.
This is a great item for fitness and health.
Perfect as gift to your friends and family.
Battery lifetime: about 700 hours
Transmission range: less than 30m
1 x heart beat belt
1 x Battery door
1 x Silica gel electrode
1 x Elastic bandage