I have been using this HRM and APP since 2012. To date I have logged over 1500 workouts. APP and HRM are reliable themselves. I like accurate data and tracking features. Tracks your workouts and like a data nerd likes specific times, routes, heart rate data, etc. As with many reviewers, this monitor's STRAP is its weakest point. So far I had to change the tape three times. Each time only the belt, not the monitor. You can't beat the fact that the monitor is a battery that lasts forever. A nice bonus when you have to buy multiple times over the years is having multiple chargers. One is always in my car and the other at home, so there's no excuse for running out of charge. Lasts about 2 weeks plus or minus on a single charge. Except for the strap, this product comes highly recommended. At this price listed when buying two, they cost over $100 when they first came out!
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