Mini DisplayPort male connector & VGA female connector
Length: 18cm / 7in, Use with VGA cable (sold separately) to connect external displays
Supports resolution up to 1920 x 1200 @ 60Hz
Compatible with some versions of MacBook, MacBook Air, MacBook Pro, iMac, Mac Mini, & Mac Pro desktops and also the 24-inch Apple Cinema Display
Apple Mac/Laptop released before 2009 are equipped with Mini/Micro DVI port. Those released in and after 2009 come with the Thunderbolt/Mini Displayport connector. Please double check your Mac / MacBook.