Polar H9 Heart Rate Sensor ANT Bluetooth Waterproof HR Monitor with Soft Chest Strap XXSS

POLAR PRESENTS A NEW AFFORDABLE HRM When youre looking for a reliable high quality heart rate monitor for your everyday use Polar H9 is a trusted choice of HR sensor that fulfills all your needs GOLD STANDARD IN HEART RATE TRACKING Built on decades of scientific research and development recognized by both regular users and researchers around the globe Polar is proud to be the Gold Standard in HR tracking WORKS WITH EVERYTHING Polar H9 works with ALL HRM compatible Equipment MORE EFFECTIVE Track your heart rate with Polars high accuracy sensors Choose you size XSS 20 26 MXXL 26 36 TURN YOUR PHONE INTO A TRACKER Enjoy endless connection possibilities with popular apps on your smartphone BATTERY A CR2025 button cell battery must be used in the Polar H9 included Other battery sizes may cause damage to and malfunction of the sensor