Anti lost Magnetic Design,The mini-USB receiver can be attached to the magnetic bottom of the clicker. One-touch slideshow controls,Press forward or back to move through your slides. Press the laser pointer key to highlight your point. Up to 50m(165ft) wireless range,Stroll around every corner of the conference room. The stable and clear red laser light directly highlights the key points of the presentation. Plug and play,Drive free.Support system Windows, Mac OS, Linux, Android.