The Wahoo Key is specifically for use with ErgBuddy, the free software that displays data from your Performance Monitor onto an iPad, iPhone, or iPod touch. When plugged into your iOS device, the Wahoo Key provides the ANT wireless connection to the PM4 in order to receive data.
Note: Apple, iPad, iPhone, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.
