Bluetooth Wireless Heart Rate Monitor Wireless Heart Beat Chest Belt Strap Band

Feature:
Made of good quality material, durable to use.
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.
Specification:
Color: black
Bluetooth: 4.0
Fit chest: 70-120cm/100-150cm
Battery lifetime: about 700 hours
Transmission range: less than 30m
Waterproof: 10m
Package included:
1 x heart beat belt
1 x Battery door
1 x Silica gel electrode
1 x Elastic bandage