Combining all that you need to run, the run pack features the Wahoo Key and the Wahoo Fitness soft heart rate belt in a convenient bundle.

Wahoo Fitness wirelessly connects your iPhone 3G, iPhone 3GS, iPhone 4 or iPhone 4S to your favorite fitness measuring devices, including your heart rate sensor. With the Wahoo Key, 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!

Includes:

   1 Wahoo Key
   1 Wahoo Fitness Soft Heart Rate Belt

Features:

   very low power usage, no internal battery
   compact yet rugged, similar size to iPhone charging plug
   compatible with iPhone 3G, 3GS, 4, 4S, iPod touch, iPad - fits into 30-pin connector
   sends and receives signals up to 10 feet unobstructed
   wireless - ANT+ AP2 ultra low power technology licence free, 2.4 GHz ISM band operation, www.thisisant.com
   3.5 grams (0.12 ounces)