Feature:1. 2.4GHz keyboard and mouse set, plug and play, easy to use, important and necessary accessory for computer.2. Mouse, optical sensor, mini USB dongle, range up to 10 meters, 4 button design, simple operation.3. FN combination function, alphanumeric keys and letters with FN and Shift function keys.4. Keyboard and mouse are powered by AAA battery (not included), suitable for home and office.5. Suitable for Windows XP Home Edition or Professional Edition, for Windows 7 Professional Edition or Ultimate Edition, for Windows 8.Specification:Condition: 100% Brand NewItem Type: Keyboard Mouse SetMaterial: ABSConnection Technology: 2.4GHzReceiving Distance: Approx. 10m / 393.7inNumber of Mouse Buttons: 4Number of Keyboard Keys: 78Keyboard Battery: 2 x AAA Batteries (Not Included)Mouse Battery: 2 x AAA Batteries (Not Included)System Requirements: For Windows XP Home Edition or Professional Edition, for Windows 7 Professional Edition or Ultimate Edition, for Windows 8.Package List:1 x Mouse1 x Keyboard1 x Receiver