The mini DisplayPort male to VGA female adapter cable is perfect to connect several computers with a display port easily. Via the adapter cable the signals from Macbook Macbook Pro or Macbook Air with a Mini DisplayPort can be converted to VGA. The most obvious benefit is that you get more desktop area to have more applications visible at one time. - A Mini DisplayPort male to female adaptor for connection of a Macbook Macbook Pro or Macbook Air with a Mini DisplayPort to a Digital Monitor Projector LCD etc. - Supports Mini Display 1.1a input - Powered from Mini Display Port source