The Adesso 2.4 GHz Wireless Desktop Keyboard & Mouse Combo offer users two superb input devices with a wireless range up to 30 feet. The wireless keyboard features 14 hotkeys for quick access to your media player controls, email, Internet browser and other common applications like My Computer, Mail and Calculator. The keyboard uses quite membrane key switches that provide a more quiet and tactile response. The wireless mouse is equipped with an optical infrared sensor that is more sensitive and accurate than a traditional optical mouse. This combo is ideal for use in your office or home.