CutieDXOTG(USB2.0 On The Go)is very compact and excellent quality It gives you the freedom to work anywhere you go-at home, in the office, even on the plane. This tiny portable drive provides maximum durability, flexibility and portability with various interfaces. Once your computer's drive has been copied to the Cutie, you can travel and connect it to any PC system and gain access to your programs and data files. Just plug the cable into any notebook, desktop, or Macintosh with a USB2.0 / IEEE1394 port and you have instant connectivity. With built-in hot swap technology, you can connect and disconnect the drive any time. Simple installation. Just plug it in and load the driver once. Luxurious Cutie! - Slim desing with advanced aluminum frame. Quick Installation and easy to carry Good Connection to IBM and Mac "Plug & Play" and "Hot Swappable" No External Power Required 9.5mm,2.5" IDE Hard Drive(Option)