Polar H10 H9 H7 Chest Strap Replacement - Adjustable HRM Soft Chest Strap Compatible with Heart Rate Sensor (Black)
Magene H603 Chest Strap Heart Rate Monitor, ANT+ and Bluetooth Compatible with Fully Adjustable Strap, iPhone & Android Compatible
FITSPUR Heart Rate Monitor Chest Strap Replacement Compatible with My Zone Switch.(No Compatible with My Zone Mz-1 Mz-3)
Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs
