Requires a PC that meets the requirements and installed operating system below: Windows 8, 8.1, Windows RT 8, Windows RT 8.1, Android 4.4, Mac OS 10.10
Bluetooth 4.0 enabled devices
Other information 2 AAA Alkaline Batteries required (included)
1 BlueTrack Technology does not work on clear glass or mirrored surfaces.
Three-year limited warranty