2.4G universal channel, 30-100m effective range, 360° control. Automatic Frequency Hopping technology avoids other RF signal interference. Supporting plug and play, this presenter has good compatibility with USB1.1, USB2.0, USB3.0. You are in control of your power point no matter which direction you face to or which corner in a room you stand.
Auto Stand-by and Sleep Mode, energy-efficient and durable. Independent power switch design helps to prevent electricity leakage.
Supports plug and play, supports Windows XP/7/8/8.1/10, Mac OS, Linux, Android. Compatible with USB1.1, USB2.0, USB3.0, no driver or other programs are needed.
Functions: Laser point, page turning, full screen, black screen. The laser will light on when pressing and go off when you remove your finger.