The Polar Speed Sensor Bluetooth Smart and Cadence Sensor Bluetooth Smart Set includes a cadence and cycling speed sensor to help boost cycling performance. Find out what your most efficient pedaling rate is and measure your speed and distance accurately. The sensors included in this set work with Bluetooth Smart technology and consume minimal energy. You can later analyze your training at the Polar Flow web service.
Compatible with a variety of fitness apps
Small and light design with firm bike attachment
Compatible with iPhone 4s and later and select Android devices running Android 4.3 or later