POLAR T34 Heart Rate Monitor for Lifespan Fitness Compatible Products
Correa de pecho para Monitor de ritmo cardíaco, correa de repuesto Compatible con Polar H7, H9, H10Garmin, Wahoo, Magene, Coospo, transmisores, banda suave _ - AliExpress Mobile
Amazon.com : Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors