Dynex Wireless Keyboard and Wireless Optical Mouse (DX-WLC1401) 104 keys include multimedia keys and a calculate key for easy typing and control LED indicators let you know the status of the battery at a glance and keep you apprised of wireless pairing 2.4GHz wireless technology with up to a 32.8' operating distance permits a flexible range of motion during use PC and Mac compatible for use with your existing computer Wireless optical mouse features a scrolling wheel for simplified navigation. Up to 1600 dpi movement resolution and Pixart 3204 sensor technology ensure precise operation