Features: 1) Hot plug and play 2) High speed data transfer rate at 480Mbps 3) USB bus power 4) GL811E chipset 5) Aluminum case 6) System requirement: Windows 98 / 2000 / XP, Mac 9.2 above 7) Accessories: case, USB cable, power, CD driver, user manual, screw bag 8) Colors: silver / black / red / green, and other colors Inner packing: Gift box Outer packing: 56pcs/ctn Carton dimensions: 51 x 36.4 x 43.4cm N.W.: 21.50kg G.W.: 22.50kg