Product Description The Logitech MK550 Wireless Wave Keyboard and Mouse uses an ergonomic wave design for more natural typing when working. The Logitech Constant Curve layout is similar to regular keyboards but eases the stress on your wrists and allows for more comfortable working. There are also 18 programmable keys that allow for rapid navigation to applications you use frequently. The integrated palm rest and adjustable keyboard height help reduce wrist fatigue and make it easier to type for longer periods of time without strain. Say goodbye to your micro-mouse or touchpad. The MK550 includes a precision-laser mouse for faster navigation and detailed work. The Logitech MK550 Wireless Wave Keyboard and Mouse Combo will have you working for longer with ease. The keyboard has a 3-year battery life, and the mouse has a 2-year battery life. Setup is simple—just plug in the Logitech Unifying receiver and you’re ready to go. Your keystrokes are safe with built-in 128-bit AES-grade encryption. Keystroke dropouts and keyboard lag are a thing of the past with the built-in 2.4GHz wireless signal. From the Manufacturer Wireless Wave Combo MK550 Noteworthy Features • Comfort Wave keyboard with cushioned palm rest • High-performance laser mouse • Go up to 2 years or more without a battery change* • Tiny Unifying receiver stays unobtrusively in your notebook • Powerful 2.4 GHz wireless connection * Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions. ** The laser sensor does not work on glass or mirrors. Enlarge Logitech Wireless Wave Combo MK550Comfort curves without the learning curve With contoured curves in all the right places, this 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. Download a spec sheet Enlarge Ergonomic Wave keyboard Constant Curve design guides hands and fingers into just the right natural typing positionType normally with the familiar keyboard layout you're used to Enlarge Cushioned palm rest Helps position your hands comfortably and properly on the keyboardGives your palms a place to rest when you're not typing Enlarge 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 Enlarge Plug it. Forget it. Add to it. One tiny Unifying receiver connects the mouse, keyboard and more compatible devices—without the hassle of multiple USB receiversSo it can stay in your notebook, so your keyboard and mouse are always ready to use To learn more about the Logitech Unifying receiver, click here > 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 Compatibility What's in the box? Wireless Keyboard K350 Wireless Mouse M510 Logitech Unifying receiver 4 AA alkaline batteries (pre-installed) User documentation 3-years limited hardware warranty Works with: Windows-based PC: Windows XP, Windows Vista, or Windows 7 USB portCD-ROM drive or Internet connection Compare Which Logitech Keyboard + Mouse Combo Is Right For You? Good Better Best Ultra Wireless Desktop MK 710 Wireless Wave Combo MK550 Wireless Combo MK520 Wireless Desktop MK320 Desktop MK120 Connection Features USB Support Wireless Protocol & Security Advanced 2.4 GHz 128-Bit AES Encryption Advanced 2.4 GHz 128-Bit AES Encryption Advanced 2.4 GHz 128-Bit AES Encryption Advanced 2.4 GHz 128-Bit AES Encryption Wired Unifying-Receiver N/A Keyboard Design Palm Rest Integrated Cushion Integrated Cushion Integrated Adjustable Height/Angles Integrated LCD Battery Level Indicator (on LCD) N/A Battery Life (Maximum) 3 years* 3 years* 3 years* 15 months* N/A Operational and Navigational Controls Enhanced F-Keys Search Feature Launch E-Mail Launch Web Browser Launch IM / VOIP Mouse Features Battery Life (Maximum) 3 years* 2 years* 1 year* 5 months* N/A Laser Mouse Hyper-Fast Scrolling Battery Level Indicator N/A On / Off Switch System Support Windows Vista, Windows XP, and Windows 7 *Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions.