[2.4GHz Wireless Technology] Plug and play, it is easy to use and no need to drive. With 2.4GHz wireless technology, laser range is up to 200m and remote control distance is about 50m. So you can free to move around the room and interact with your audience [Portable and Convenient] TK701 2.4GHz wireless USB flip pen is easy pack up and portability. Built-in docking bay stores receiver. A Clip on the presenter is easy for carrying. Does not require installation. [Operating Distance of 100m] Multi-function presenter with transmission distance 200m, and 360 degree control, so that you can move with maximum freedom in the classroom while you hold a conference. [Plug and Play Technology] This product with USB receiver support plug and play. No other driver is needed. The mini USB receiver can be controlled by a transmitter simultaneously. It is perfect for PPT Presentation. [Compatible System] For Windows 7/8 and above, Mac OS / Linux / Android operating system. On Android, Linux and Mac OS, it may only support laser and flip functions.