Logitech Wireless Combo MK260 with Keyboard and Mouse Reliable long-range 2.4 GHz wireless connection with a single USB receiver for the keyboard and mouse Long battery life?get 24 months of keyboard power and 5 months of mouse power without changing batteries Eight hot keys give you one-touch access to the Internet, e-mail, music volume and more Sleek all-in-one setup includes a compact keyboard with full-size keys and smooth-tracking optical mouse Works with Windows-based PCs. (Battery life may vary based on user and computing conditions.) Wireless range may vary due to environmental and computing conditions. For a wireless setup that goes the distance: With a robust long-range wireless connection and months of power between battery changes, this sleek keyboard and mouse give you the everyday reliability of a corded setupminus the clutter. 8 Hot Keys, USB RF Wireless Sleek All-in-one Setup Powerful 2.4 GHz wireless as reliable as a corded connection, 30 foot range1 work at your desk or across the room, Auto-frequency switching virtually eliminates dropouts even in the busiest wireless environments, 128-bit AES keyboard encryption keeps your information secure Fewer battery changes: Get up to 24 months of power for the keyboard and 5 months for the mouse without a battery change, Auto-standby conserves powerno need to hassle with On/Off buttons Works with: Windows XP, Windows Vista, Windows 7 or Linux kernel 2.6 or later USB port