- Bluetooth 4.0 technology
- For use with Bluetooth 4.0, and later versions 
   compatible to lots of fitness apps : Wahoo fitness, Strava, nRF Utility, MapMyRide, Wahoo Utility
- 2 in 1 bike sensor monitor speed +distance + cadence.
-Transmission distance 2meters
- Work with iOS devices, some Androids compatible devices 

    (iPhone 4S, iPhone5, iPhone 5S, iPhone 6, iPhone 6S and Android device both with Bluetooth 4.0 and running Android version 4.3,  e.g. Samsung Galaxy S3/S4/S5, Note 2/3/4, HTC one/one mini..etc)

-Accessories:  

   Speed/Cadence Sensor X 1pcs

   Cadence Magnet 1pcs

   Spoke magnet 1pcs
   Rubber Pad 3pcs

   Cable ties 8pcs              

-Battery CR2032 included                                                                                                                                   

- Water resistance:IPX7