WAHOO iPHONE (ANT+) KEY

Wahoo ANT+ Key for iPhone

The Wahoo key connects your iPhone to a wide range of ANT+ fitness sensors, including heart rate monitors, cycling speed and cadence sensors, and power meters.

It can also receive data from an ANT+-enabled GPS watch and transmit it to an iPhone app, giving you real-time performance data right in the palm of your hand… or mounted on your arm.

Features
ANT+ wireless connectivity (2.4 GHz)
Signal range: up to 10 feet (unobstructed)
Compatible with iPhone 4S and iPad 3