EagleTec K105 / KS05 2.4 GHz Wireless Combo Multimedia Fullsize Keyboard And Mouse Reliable 2.4 GHz wireless connection with a single tiny nano-receiver for connecting both the keyboard and mouse with just one USB port Long battery life - over 18 months of battery life with our smart sleep technology (**batteries not included) Full numeric keypad and 8 dedicated multimedia keys for instantly accessing your music, internet, e-mail, volume, and more Ergonomic splash resistant keyboard with mouse combo Plug and play for a simple Windows installation - Windows XP, Vista, Windows 7 and 8