Transform your iPhone 5 or iPhone 4S into a powerful cycling computer
Bluetooth Smart (4.0) technology wirelessly tracks tire rotation rate (bike speed), pedal rotation rate (cadence) and lifetime mileage of your bikeiPhone 5, 4S, iPod Touch (5th generation), iPad (3rd and 4th generations), and iPad Mini
Compatible with the iPhone 5, 4S, iPod Touch (5th generation), iPad (3rd and 4th generations), and iPad