This TomTom Multi-Sport Runner Bluetooth Heart Rate Monitor Sensor with Polar Strap is a must-have for any fitness enthusiast. This unisex heart rate monitor provides accurate measurements for heart rate during running and jogging activities. It is powered by batteries and equipped with GPS sensors for accurate tracking of workouts.

The device has a sleek black design and is lightweight, weighing only 0.1 lbs. It is also compact, with a length of 1.38 in and a height of 7.67 in, making it easy to wear on the wrist during workouts. The heart rate monitor features Polar Strap for a comfortable fit and accurate readings. This device is perfect for anyone looking to track their fitness progress.