Smart Cadence Sensor applies both ANT+ and Bluetooth technology. It wirelessly transmits your cadence data to cycling computers and smart phones. With no magnets and exposed parts to line up, it is much easier to install.Easy to UseSmart Cadence Sensor is so Magnet-less, and it is super easy to install, maintain and move between bikes.Dual SupportFeaturing the application of dual technology, ANT+ and Bluetooth, Smart Cadence Sensor is able to connect to both cycling computers and smart phones. It is compatible with most devices in the market.Improve YourselfDesigned to help you monitor your outdoor and indoor training. Combine it and improve your personal best or compete with other cyclists.Key FeaturesModel: Smart Cadence Sensor,Wireless Technology: Bluetooth 4.0 & ANT+,Measurement: cadence,Universal Fit: Yes,Magnet Free: Yes,Waterproof: IPX7,Battery: Replacable,Battery Life: one hour per day, about 12 months,Operating Temperature: From -10º to 60ºC (from 14º to 140ºF).