Wireless notebook laser mouse is designed for both right-handed and left-handed users. Use right out of the box. 2.4 Ghz wireless-based technology delivers high performance connectivity with no delayed cursor movement. Laser-based positioning technology delivers precision performance. Customize the speed of your cursor to match your needs. Mouse features tilt wheel for smooth scrolling across your screen, three speed settings with up to 1600 dpi sensitivity, and contoured shape. Design also offers a space under the mouse to store your USB receiver to prevent loss during transport. Mouse includes a receiver and two AA batteries, and is compatible with Windows and Mac.