Morjava PR-05 Multi-function Presenter laser pen wireless 2.4GHz Optical Air Mouse Adjustable 500/1000DPI Handwriting Smart Mouse for TV BOX PC Laptop iMac Android Tablet 1.2.4GHz Technology & 100m control range So you can control your presentation around every corner of the conference room through the presenter. And it is operating on ISM free frequency so that it can be world-wide used. 2.Multi-function wireless controller designed for PPT player in training,meeting and marketing show. 3.Its function covers almost all process you need in PPT show. Many user uses it to operate a computer mouse and set-top box, smart TV. 4.Plug and Play No need to install drivers, just plug the RF receiver into a USB port and the device installs itself in seconds. 5.Wide Compatibility Compatible with PowerPoint, Prezi, KeyNote, and support for Windows 2003, XP, Windows Vista, Windows 7, Windows 8, Mac OS, Linux.