This wireless multimedia mouse is very unique with its compact design which fits within any laptop PCMCIA slot. With this mouse you have the ability to toggle between multimedia and mouse modes. In multimedia mode you can use the mouse to control the volume, and switch songs tracks. You can also mute any song on the fly and Play/Pause tracks. In mouse mode all standard functions are included: left click, right click, center click, scroll pad, and back button. This mouse is not ergonomically friendly because it provides no wrist support, but it is ideal for temporary use on business trips or short travels.