The Adesso WKB-1330CB Wireless Desktop Multimedia Keyboard and mouse combo is a great choice for users who want a stylishly designed keyboard along with a mouse for home and office use. The keyboard's Hot Keys provide quick access to your media player controls and email. The 3-button mouse is designed with an enhanced optical sensor of 1,200 dpi which provides better speed and accuracy. With a 2.4 GHz connection, no wires or cords will be tangled and you will have a 30 ft range in any direction.Package Includes: (2) AA Batteries; (1) AAA Batteries; Users Manual; Warranty Information