Awesome product wasn't sure about how accurate it was going to be but I took it out of the box ran a measured 1/2 mile and .50 came up on my watch. Its really small really light don't even notice it on my shoes. I haven't used the gps but this is much smaller and I don't have any problems that can come with gps such as loosing a signal mid run (especially on trails) or start up time. Really happy I bought this!
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Moosejaw is UpFront
