Brand: Logitech Series: MK270 Colour: Black System Requirements: Windows XP, Vista, 7 or 8 operating system Connectivity Type: 2.4GHz Radio Frequency Hardware Platform: Wireless Average Battery life: 24 months (keyboard), 12 months (mouse) The stylish Logitech MK270 Wireless Keyboard & Mouse Combo is perfect for the home office or workplace. Ditch the touchpad for this full size keyboard and mouse. Easily connect using Logitechs plug and forget receiver-just plug it into the USB port, and youre ready to work. Theres no lengthy installation procedure to slow you down. When youre on the move, the receiver stores comfortably inside the mouse. both the keyboard and mouse included in MK270 combo use wireless 2.4GHz connectivity to provide seamless, interruption free use. Use the keyboard within a 10m range without dropouts or keyboard lag. The Logitech MK270 keyboard includes 8 hotkeys that are programmable to your most used applications to boost your productivity.