Freedom Wireless - 2.4 GHz wireless technology with a distance of up to 15meters to control your presentation.
Slide controls - Show slideshow controls are fully functional with the next run,running back, start / pause slide show and a white screen.
Clear communication with the laser pointer function to emphasize the points you need in the present
USB devices can store receipt with the form of ultra-thin, extremely small and easily moved to create neat and convenient storage tien.Su handy - Simply plug in and use, links via USB