The MK735 Performance combo contains the MK710 keyboard with Unifying Technology and the wireless Mouse M510 Up to three years of battery life virtually eliminates the need to change keyboard and mouse batteries. Logitech Incurve keys and cushioned palm rest help your fingers glide comfortably from key to key hour after hour. LCD dashboard icons give you at-a-glance status of battery power, caps lock, scroll lock, and num lock so you won't miss a beat while typing. Hyper-fast scrolling lets you fly through long documents and web pages. Details: The 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. With Logitech Incurve keys and a cushioned palm rest this low-profile keyboard almost feels like it's custom-made for you. Logitech Unifying receiver-the tiny wireless receiver that stays in your laptop and lets you add devices as you need them. Not easily found on many low-profile and laptop keyboards longer key travel improves comfort and your overall typing experience. Your hands can relax-the cushioned palm rest feels so much better than hard plastic. Included: Keyboard Mouse USB 2.4 GHz Unifying receiver 4 AA alkaline batteries User documentation.