It comes along with a soft Chest Strap.
The tracker is very slim and easy to use you wont even feel like you are wearing it.
The activity tracker Provides continuous, accurate heart rate measurement using 5kHz coded transmission.
Polar H1 Heart Rate Sensor
Pros
Cons
Comfort is a key element during the workout.
That is why the company has created a compact Polar transmitter frequency H1 heart rate.
Its very easy to wear and also very easy to use a fitness band.
Polar H1 Heart Rate Sensor
The Polar H1 works really well with the watch and the machines in the gym.
The sensor is detachable and this is a useful feature.
Comfortable to wear and would recommend but now there is a lot of other options available in the market.
Bonus Tip
its better to stand away from others when starting the watch.
When you are finished with your workout detach transmitter, rinse the strap with water and hang dry.