ATTN: Winning bidders living outside the U.S. and Canada can receive this or a similar product (or an item of their choice at a comparable price) through our "Your Choice Dropshipping" program. The Logitech Wireless Wave Combo MK550 features comfort curves without the learning curve! With contoured curves in all the right places, the MK550 ergonomic keyboard and mouse give you the support you need to minimize hand and wrist strain--even after spending all day on your computer. More comfort also means you can type as you normally do using the standard keyboard layout you already know. PRODUCT FEATURES Ergonomic Wave keyboard * Constant Curve design guides hands and fingers into just the right natural typing position. * Type normally with the familiar keyboard layout you're used to. Cushioned palm rest * Helps position your hands comfortably and properly on the keyboard. * Gives your palms a place to rest when you're not typing. Contoured laser mouse * Comfortable hand-cradling shape with rubber side grips. * Smooth, accurate cursor control on just about any surface. No battery changes for years * Long-lasting battery life—up to three years for the keyboard and two years for the mouse. * Uses standard AA batteries, already pre-installed. Plug it. Forget it. Add to it. * One tiny Unifying receiver connects the mouse, keyboard and more compatible device--without the hassle of multiple USB receivers. * So small it can stay in your notebook, so your keyboard and mouse are always ready to use. Robust, reliable wireless * Logitech advanced 2.4 GHz wireless for a strong connection with virtually no delays or dropouts. * Built-in 128-bit AES keyboard encryption—one of the highest levels of security available. Works with: * Windows-based PC: Windows XP, Windows Vista, or Windows 7 * USB port * CD-ROM drive or Internet connection What's in the box: * Keyboard * Mouse * Logitech Unifying receiver * 4 AA alkaline batteries (pre-installed) * Software CD * Receiver extender cable * User documentation 3-years limited hardware warranty