This Polar heart rate monitor is the perfect tool for fitness enthusiasts looking to track their heart rate during workouts. With Bluetooth and ANT+ wireless technology, it provides accurate heart rate measurements and connects easily to your favorite fitness apps. The blue color and adjustable strap (M-XXL, blue) ensure a comfortable fit for any user. The device is made by Polar, a trusted brand in the fitness technology industry. This heart rate monitor is ideal for those looking to enhance their fitness routine and improve their overall health.