Plug Garmin's ANT+ Adapter into your iPhone and you've got a new hub for tracking your fitness. You can sync ANT+ devices like a heart rate monitor, foot pod or speed/cadence sensor with the Garmin Fit iPhone app for simple usability. Recalling your entire workout history is now as easy as reaching into your pocket.
ANT+ is a wireless technology that allows your monitoring device to seamlessly communicate with other ANT+ products such as speed sensors, heart rate monitors, power meters, and foot pods that track running/walking progress.
Compatible with iPhone 5, 4S, 4, and 3GS