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
Garmin HRM-PRO Plus Heart Rate Strap In-Depth Review | DC Rainmaker
Garmin HRM-Dual™ | Heart Rate Monitor with Chest Strap
Garmin HRM-PRO Plus Heart Rate Strap In-Depth Review | DC Rainmaker