Jennifer Fox
I weighed in at 244 a few years ago and started going to the gym to lose weight. I picked up running and bought the F6 to watch my heart rate and calories burned. It's been revolutionary. I've dropped 50 pounds! I never complete a run without it! I've signed up for a marathon in The Woodlands, TX in March 2012, which is amazing! Four years ago, I never thought this was possible. Heck, running a full mile seemed impossible! It still seems surreal, but I'd never be able to manage my workouts without the F6 on my wrist!

F6
For effective training
Depending on your body’s daily condition, you might benefit from either a low or high intensity training session. This monitor checks your daily condition, and guides you to a suitable intensity. If you want to be sure that you are training at the right intensity, this is the right product for you.
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