Description 
This Bike Speed&Cadence Sensor consists of a separate Cadence Sensor wired to a Speed+Distance Sensor that has a bluetoot 4.0 transmitter. 
The sensor includes two magnets to activate the sensors and cable ties for installation. 

A.This device is a Bluetooth Smart device，compatible and applicable with many iOS devices，including
a)for iPhone 4S / foriPhone 5 /for iPhone 5S /for iPhone 5C 
b) The new for iPad / foriPad 4 / foriPad mini / for iPad air 
c) foriPod touch 5 

B.In addition，this device is also recommended to work with the following APPs: 
a) WahooFitness 
b) Strava 
c) MapMyRide 
*All brand names and trademarks are properties of their repective owners. 
Package: 
1 X Cycling Speed & Cadence Sensor