Polar Pro Strap Color:Red Beat Polar Pro Strap works with

Polar Pro Strap works with all Polar heart rate sensors

GPS Smart Multi-Sport Watch – Compact Personal Training and Coaching Watch with Over 150 Sports Profiles

Biosensing and Heart Rate Technology for Everyday Performance

You can also use it to synch data to the Polar Flow web service

Polar Pro Strap Color:Red Beat Polar Pro Strap works withPolar Pro Strap works with all Polar heart rate sensors. With a soft textile material, slip preventing silicone dots and a secure buckle, the strap is very comfortable to wear and stays in place even through your most intense workouts. The extra interference preventing electrodes on the strap make it extremely sensitive to your hearts electrical signals, providing maximum precision for heart rate readings and eliminating interference.