Wahoo Fitness Key for iphone 3gs/4/4s (ANT+)
$ 59.99
Wahoo Fitness wirelessly connects your iPhone 3gs, 4, 4s to your favorite ANT+ fitness sensors, including your heart rate and speed/cadences sensors. With the Wahoo Key (ANT+), your phone, your favorite playlists, the best fitness Apps and real-time activity information are all in the palm of your hand... or strapped to your arm!
Wahoo Fitness Quick Reference Guide
