I have the Adidas soccer cleat insert running this, and it's a fun metric but it's not as accurate as it should be, and sometimes it just doesn't record at all.

I have the Adidas soccer cleat insert running this, and it's a fun metric but it's not as accurate as it should be, and sometimes it just doesn't record at all. For $40 it isn't bad, but any more and it would be not worth the price.