The Logitech MK345 Wireless Keyboard & Mouse Set is the ideal pair for home or office use. Both the MK345 keyboard and mouse use the advanced 2.4 GHz wireless connection for the ultimate convenience. You ll be able to establish a strong and secure connection without drops or delays so you can get on with what s important. Long battery life Including two AAA batteries in the keyboard and one AA battery in the mouse, you ll be able to get set up and start using your MK345 Wireless Keyboard & Mouse Set straight away. You won t need to replace the batteries very often, as the mouse has an 18 month battery life whilst the keyboard has an impressive 36 month battery life. Ideal for work and play With 12 enhanced F-keys for complete media control as well as 16 programmable keys for common presets, you ll have power and speed at your fingertips. The well-situated palm rest along the base of the keyboard is perfect for constructing long documents during working hours as well as enjoying games l.