2.5inch hdd enclosure - usb2.0 standard - designed for standard 2.5inch hard disk drive - works with ibm compatible pcs, notebook computers and macintosh - driverless (except of win98se) - super slim, easy to carry and install - supports plug-play and hot-plug - blue indicator - stable and shockproof - bus power, no external power supply Specification Interface usb1.0/1.1 usb2.0 Operating system windows 98se/me/2000/xp, And macintosh os 9.0 or later Transfer rate up to 480mbs Power supply bus power Size 127x 80x 16mm Bridge chipset gl811e Packing contents - 2.5inch enclosure - fad bag - usb2.0 cable - dc cable - user manual - driver cd Giftbox