TK701 2.4G Wireless PPT Powerpoint Marking Pointer Presenter Pen Clip Volume Control

Features: Lightweight and easy carry Control Distance: 10m Operation System: for Windows 2003, XP, Vista, Windows 7/8, for Mac OS, for Linux With volume control you can control the voice loud or low as you like without using a mouse You can highlighting on the PPT with mouse button Package Included: 1 x TK701 2.4G Pointer 1 x USB Cable 1 x User Manual