Enhance the accuracy and utility of your compatible Polar wrist unit with this optional sensor. Light and slim, it slips easily into the included arm band for your workout. Back home, analyze your route and run with extra precision.
- Measures speed/pace and distance
- Records accurate GPS positioning data
- Rechargeable via micro USB
- Runs approximately 20 hours per charge
- Dimensions are 39 x 64 x 12mm
