This Wahoo Fitness key wirelessly connects your iPhone 3G, iPhone 3GS, iPhone 4 or iPhone 4S to your favourite fitness measuring devices, including your heart rate sensor.
Wahoo Key connects your iPhone to.
With the Wahoo Key, your phone, your favourite playlists, the best fitness Apps and real-time activity information are all in the palm of your hand... or strapped to your arm!
Key Only (iPhone shown for demonstration purposes)
Shipping charges for this item to United States: $8.36
Easy to set up and works well. Use with Minoura Live Training app on an ipod which gives a really clear screen for training data with power reading. Uses quite a lot of power though as battery nearly used up after an hour and a half so not sure how suitable for use outside on a training run.