Rich Green Valley Heart Rate Monitor Pro Chest Strap-Heart Rate Monitor Belt for Polar H10, Polar H9, Polar H7, Coospo,Wahoo Tickr,Garmin HRM Chest Strap(Medium, Black)

["Pro Waterproof and Sweatproof : If you are sweating profusely during exercise, it will be as effective as ever to resist interference and keep the original good signal sent to the sensor for accurate heart rate values.","COMPATIBLE WITH THE HEART RATE SENSORS: Chest strap works with the most popular heart rate monitor and sensor such as Garmin HRM, Polar 7, Polar 10, Wahoo TICKR, CooSpo and more.","ADJUSTABLE SIZING: Wearing size between 35 inch - 45 inch .","EASY USE AND CLEAN: Utilizing the same snap attachment method. The sensor transmitter must be removed and the soft strap hand-washed as often as needed.","COMFORTABLE AND GREAT WORK: With the chest strap based on Nylon and Spandex material, it can be attached to your skin closely. Soft fabrics and adaptive electrodes make it extremely sensitive to your heart's electrical signals.","NOTE:Only Belt Strap, Heart rate sensor Transmitter NOT included."]