HP 650 Wireless Keyboard + Mouse Kit, Black Everything you want from a wireless keyboard and mouse combination: comfort, productivity, reliability and elegance. Customize the functions of over 20 keys and enjoy precise mouse tracking, to work faster and more efficiently. This combination contains recycled materials and is easy to keep clean and disinfected. Attractive, elegant and comfortable This attractive and elegant keyboard has feet that can be adjusted by up to 6 degrees, and the contoured keys and 2 mm travel ensure a precise typing experience. The contoured mouse and grip design ensure everyday comfort for left- or right-handed users. Personalization for optimization Program over 20 keyboard keys from the HP Accessory Center, so you press fewer keys and work more efficiently in frequently used applications. In addition, you can easily customize the DPI settings of the mouse to control the speed and sensitivity of the cursor. Free your mouse Working on different surfaces can cause the mouse to behave erratically. We solved this problem with the functional sensor for several surfaces. Thanks to improved tracking, you are now free to use the mouse on multiple surfaces, such as marble. In addition, the new sensor is more energy efficient, for a longer battery life. Long battery life Maximize productivity and avoid the frustrations caused by frequent battery replacement, with battery autonomy of up to 20 months for the keyboard and up to 24 months for the mouse.