Power-packedThe up to three-year battery life for both keyboard and mouse makes this combo so hassle-free you just might forget it uses batteries at all.* 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.Dip into comfortWith Logitech Incurve keys and a cushioned palm rest this low-profile keyboard almost feels like its custom-made for you.Small wonderLogitech Unifying receiverthe tiny wireless receiver that stays in your laptop and lets you add devices as you need them.Three-year battery lifeThe 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.1Logitech Incurve keysConcave keys with softly-rounded edges position your fingers properly and invite your fingertips to glide from key to keykeeping you comfortable for hours.Low profile longer key travelNot easily found on many low-profile and laptop keyboards longer key travel improves comfort and your overall typing experience.Cushioned palm restYour hands can relaxthe cushioned palm rest feels so much better than hard plastic.