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Title: F4 is the perfect size and the perfect monitor
Review: I am very impressed with the F4. It is very easy to use and a good basic heart rate monitor. It is easier to program than my F6, and it fits better.Polar makes the best HR monitors, and it works with all their chest straps - coded and uncoded, and even with ones that are not from them. I have Vision Fitness exercise equipment, and the strap works with their HR function. Sometimes I strap the watch to the equipment so I can read while I exercise, and I'm able to continually see the HR without constantly changing the view on the equipment.The color is more of a gray color than an ice blue, so it goes with just about anything you wear. I'm really looking forward to using this unit while I go out and do my walks this spring!I can't imagine buying anything else but Polar. This is my third watch and all three of them are still working well.
