This comfortable chest strap for heart rate measurement is compatible with Polar, Wahoo, Garmin products.
The smart fusion of soft fabrics and adaptive electrodes make it extremely sensitive to being an indispensable part of heart rate monitor, it will detect and send your real-time heart rate to the smart phone accurately.
Material: Silica gel + fiber
Belt length: 90-130cm / 35.4-51.2in
Package Includes:1 x Adjustable Elastic Strap