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Amazon.com: Garmin Unisex - Adult Heart Rate Chest Strap Extender - 12.8" Extender Strap, Fits Pro, Dual, Run, Swim, HRM-Tri.Total up to 56" Chest Strap Length, Black, M : Electronics
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Garmin HRM PRO Tri Heart Rate Monitor HRM Running Cycling Swimming Monitor Strap Run 4.0 Heart Rate HRM-Pro Plus
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Garmin Heart Rate Transmitter & Strap HRM-Tri for Swimming Running Cycling Triathlon HRM-DUAL Heart Rate Monitor HRM-Pro Sensor - AliExpress
![I've replaced the battery of HRM pro, is this correct? I saw that bulge after I fitted the cover. I don't think I can swim with this now. Can someone give me I've replaced the battery of HRM pro, is this correct? I saw that bulge after I fitted the cover. I don't think I can swim with this now. Can someone give me](https://preview.redd.it/ive-replaced-the-battery-of-hrm-pro-is-this-correct-i-saw-v0-g5bo4hpn082b1.jpg?auto=webp&s=f69df54d61c4df2238c10ea4465d5ce54ca2f5c0)
I've replaced the battery of HRM pro, is this correct? I saw that bulge after I fitted the cover. I don't think I can swim with this now. Can someone give me
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Garmin Vívomove Luxe Silver Stainless Steel Case with Navy Italian Leather Band 010-02241-00 010-02241-00
![Best non-watch heart rate monitors — keep your wrist free without sacrificing the data you need - fitness Best non-watch heart rate monitors — keep your wrist free without sacrificing the data you need - fitness](https://sm.mashable.com/t/mashable_me/cover/g/garmin-hrm/garmin-hrm-pro-plus_mrjn.1024.jpg)