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What tool do I need to change the battery in my HRM? I can't find anything that fits, is it a teeny hex key? Thanks! : r/Suunto
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Amazon.com : SUUNTO Smart Heart Rate Belt: Superior Tracking of Heart Rate, Comfortable fit,Black : Sports & Outdoors
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Suunto 9 Peak Pro smartwatch is faster, easier, and has longer battery life for bigger adventures - Bikerumor
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ThinkRider Heart Rate Monitor Chest Strap ANT+ Fitness Sensor Compatible Belt Wahoo Polar Garmin Connected Cycl _ - AliExpress Mobile
![Amazon.com : SUUNTO Smart Heart Rate Belt: Superior Tracking of Heart Rate, Comfortable fit,Black : Sports & Outdoors Amazon.com : SUUNTO Smart Heart Rate Belt: Superior Tracking of Heart Rate, Comfortable fit,Black : Sports & Outdoors](https://m.media-amazon.com/images/I/91d7IUj3kXL._AC_UF350,350_QL80_.jpg)
Amazon.com : SUUNTO Smart Heart Rate Belt: Superior Tracking of Heart Rate, Comfortable fit,Black : Sports & Outdoors
![Amazon.com : SUUNTO Smart Heart Rate Belt: Superior Tracking of Heart Rate, Comfortable fit,Black : Sports & Outdoors Amazon.com : SUUNTO Smart Heart Rate Belt: Superior Tracking of Heart Rate, Comfortable fit,Black : Sports & Outdoors](https://m.media-amazon.com/images/I/71bGJN+kL5L._AC_UF1000,1000_QL80_.jpg)