BlueBeach Wireless USB Presenter PowerPoint Remote Control Laser Pointer for PPT / Keynote / Prezi / OpenOffice / Windows / Mac OS / Android / Linux Red laser beam Output power: 1mW. Laser pointer with RF wireless control designed specifically for computers and multimedia projectors Ideal for lecturers, meeting presenters, teachers, sales managers or anyone giving a Power Point presentation. Fully supports PowerPoint, Keynote, Prezi and OpenOffice Supports MS Word, Excel, PowerPoint , ACD See, website etc. Compatible with PC / Laptop / Macbook / Tablet / Windows / Mac OS / Android / Linux Page up and down, Dark Screen and Escape/Resume functions Pages could be turned freely and silently, and highlight effects can be obtained in the presentations. Makes your demonstration or presentation more dynamic No hassle setup, simply plug the USB receiver to your computer which is inside the battery compatment. No driver required. Lightweight and compact, fit into your pocket or handbag. (Note : Batteries are NOT INCLUDED with this product)