1、Supports page up and down, enter hyperlink, switch window, full screen, black screen, volume control, play/pause, previous/next song and red laser. 2、Using advanced 2.4GHz wireless technology, in an open environment, the working area can reach up to 20 meters, so you can move freely in the room and interact with the audience. 3、Plug and play, no driver is required, and the USB receiver is located inside the USB port of the Presenter, all‑in‑one design, easy to carry. 4、Just press the laser button and you will easily see a red dot in most backgrounds to emphasize what you need to highlight on the screen. 5、Wireless laser pointers can be widely used in schools, research institutes, training centers, exhibitions, business meetings, government agencies, etc. Condition: 100% Brand New Item Type: Presentation Pen Color: Black and White Material: ABSSize: Approx. 165x20x16mm/6.5x0.8x0.6in Wireless Frequency: RF technology 2.4GHz Remote Distance: Approx. 20m/65.6ftLight Source: Red light, Point Light; Wavelength of 650nm Laser Type: 3R class laser Battery Type: Polymer lithium battery(Built-in) Battery Capacity: 180mAhOperating System: Support for Windows XP/Vista/7/8, support for OS Computer/Android Just tap the relevant function button, whether you are in the corner of the lecture hall or classroom, or at the back of the meeting room, you can control the file. You just need to press the laser button and a red dot will appear to emphasize what you need to highlight on the screen. It is a good assistant for teachers, trainers, professors, emcees, businessmen, etc. 1 x Presentation Pen 1 x Charging Cable 1 x USB Receiver 1 x English Manual