Smart page turning pen/volume up/down/one-key hyperlink/long standby/red /multi-system compatibility Surface ergonomic design, comfortable grip, frosted smelling surface treatment process, not easy to leave marks The push Type 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 various 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, light spot, stable brightness Multi-system compatibility: Compatible with Window xp, win7/8/10 and , Android, OS 10.1 and operating , and Office series page turning files. Remote control mode: wireless radio frequency 2.4G Remote control distance: 30 meters distance: 200 meters color: red light Power supply mode: 1 AAA battery (not include) Colour:black Material:plastic Size:about 13.8cm Package Contents: 1 x Page turning pen 1 x receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.