The all-in-one laser remote control pen cleverly combines two parts into one, which is easy to carry, light in weight, small in size and comfortable in hand.The USB receiver uses computer USB technology, which can be plugged and used, and does not require any driver for installation.The transmitter has a built-in laser pointer and three function keys: laser button, page up and page down keys. It is widely used in product demonstrations, audio-visual teaching, and multimedia playback when combined with a PC or portable battery and a projector. An ideal demonstration tool for control and academic conferences.The all-in-one laser remote control pen adopts RF wireless technology, with a control distance of up to 10M. It has no restrictions in any direction and can penetrate obstacles for control, allowing you to flexibly and freely turn pages of electronic documents and perform demonstrations at will.Multi-system, fully compatible. Full support for PPT/Prezi/Keynote.