Global Positioning Systems (GPS)

Polar Unisex-Adult GPS Running Watch, Black, S-L Polar Pacer smart watches give runners (beginners and not only) all the essentials, plus a few extras to RUN better. Time, pace, distance, laps, stopwatch, incredibly accurate GPS, precise heart rate monitor, plus specialised training, sleep and... Polar Unisex-Adult GPS Running Watch, Black, S-L