The stylish and lightweight Adesso Wireless Mini Trackball Keyboard offers you mobility, comfort and makes navigating your computer simple, at any angle. This keyboard provides up to 30 feet of wireless freedom combined with cursor control options. The built-in laser trackball provides 800 DPI resolution, offering great accuracy with minimal hand movement. This keyboard also includes left and right mouse buttons and a scroll wheel, eliminating the need of a mouse. There are also Internet and Multimedia Hotkeys for quick access to some of your most common tasks such as accessing e-mail, volume control, and launching your web browser.