Smart page turning pen/volume up/down/one-key hyperlink/long standby/red /multi-system compatibility ergonomic design, comfortable grip, frosted smelling treatment process, not easy to leave marks The push Type physical button has a raised design, which can be operated freely without looking down, and the demonstration is smoother Plug and play, no need to install drivers, the USB receiver is compatible with USB1.0, USB2.0, USB3.0 and can be operated after plugging in 360° free remote control demonstration is more free and easy Using 2.4G wireless transmission module, low power consumption, strong performance, suitable for public class occasions, The partition wall is expensive to wear, and accurate control makes the speech more calm and confident prompt, more eye-catching, using standard module, automatic power control technology, large light spot, stable brightness Multi-system compatibility: Compatible with Window xp, win7/8/10 and , Android, OS 10.1 and below operating systems,