Garmin Fenix 3 - Garmin: Replacing the Battery in your Heart Rate Monitor ( HRM) The CR2032 batteries in your HRM-Run, HRM-Swim or HRM-Tri straps will last approximately 18 months, depending on use.
Amazon.com: Garmin Forerunner® 255 Music, GPS Running Smartwatch with Music, Advanced Insights, Long-Lasting Battery, Black & 010-12883-00 HRM-Dual Heart Rate Monitor, Black : Electronics
Garmin HRM-Pro, Premium Heart Rate Strap, Real-Time Heart Rate Data and Running Dynamics Black Bundle with 5 Extra Batteries (6 Items) price in UAE | Amazon UAE | kanbkam