1.Chip: CS8818 2.Compliant with USB2.0 standard ; 480 Mbps transfer rate; 3.Compatible with any 2.5 inch IDE hard drive; 4.Aluminum case Oxidation the treatment of the case surface; 5.Works with any USB computer, supports plug-play and hot-plug; 6.Windows 98/2000/ME/XP and Mac compatible 7.Already got the design patent in China by LCT. 8.Optional color: Silver, Black, Blue, Red; 9.Size: 135*83*15 (L*W*H, mm)