Speed and cadence transmitter set Polar Bluetooth Smart

Boost your cycling performance with our cadence and cycling speed sensors: 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 only a little energy. You can later analyze your training at the Polar Flow web service.Compatible with dozens of leading fitness appsSmall and light design with firm bike attachmentCompatible with V800, iPhone 4S and later, and with selected Android devices including Samsung Galaxy S3 and S4 using Android 4.3 or later.