**Comfort and productivity go hand-in-hand thanks to concave keys, a cushioned palm rest and a hyper-fast scrolling mouse.** **Three-year battery life** The batteries in both the keyboard and mouse last up to three full years, so you can forget the hassle, expense and waste of frequent battery changes **Logitech® Incurve keys™** Concave keys with softly-rounded edges position your fingers properly and invite your fingertips to glide from key to key--keeping you comfortable for hours **Low profile, longer key travel** Not easily found on many low-profile and laptop keyboards, longer key travel improves comfort and your overall typing experience **Cushioned palm rest** Your hands can relax--the cushioned palm rest feels so much better than hard plastic. **Sculpted mouse** It positions your hand and fingers comfortably and naturally **Hyper-fast scrolling** You\'ll fly through long documents and Web pages with just a flick of the nearly frictionless scroll wheel **LCD dashboard** It gives you at-a-glance icon status of your battery, Caps Lock, Scroll Lock and Num Lock, so you won\'t skip a beat while typing **Logitech® Unifying receiver** The tiny receiver stays in your laptop. Plus, you can easily add another compatible wireless mouse or keyboard--without the hassle of multiple USB receivers **Logitech® Advanced 2.4 GHz wireless connectivity** You can confidently work and play where you please. Encrypted, secure cordless technology ensures you a reliable connection with virtually no lags or dropouts