Promate, vPointer-3 Wireless Presenter, Ultra-Slim 2.4GHz with Built-In Red Laser Pointer and USB Receiver, Slideshow Control for Presentation, Reports, Lecture, Teaching

Frequency: 2.4GHz Wireless (2.406-2.476Ghz) Control distance:10meters Laser pointer distance:30meters Interface: USB1.1 Battery:1 PC AAA Battery Working voltage: 3.0V OS support: Windows 10/8.1/7/Mac10.7 and above