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Title: Battery change is complicated.
Review: This is a two piece package. You get a chest strap that is read by any standard monitor. This means that any of those treadmills, bikes, and ellipticals in your gym that have a Polar system will read it.The other part is the watch/monitor. That worked pretty well until the battery died. I tried to replace it myself, and it has not worked since. I recommend you take it to one of those mall kiosks to have the battery changed.I feel like the chest strap was the more useful part anyways, and I use it every time I go to the gym.
