The Wahoo RPM Cadence Sensor is a wireless, magnet-less, lightweight, cadence sensor. This sleek, Bluetooth 4.0 and ANT+ enabled cadence sensor is easy to install, connects wirelessly to your iOS or Android device and displays your cadence data (through the free Wahoo Fitness App or other top cycling Apps such as Starve, Map My Ride and Cyclometer). Additionally, the RPM will connect to ANT+ enabled bike computers.