Features:
1) Interface: USB 2.0
2) Transfer rate: 480Mbps
3) Capacity: 5 - 80GB
4) Power supply: USB
5) Material: aluminum and magnesium alloy
6) Dimensions: 89 x 69.1 x 17.2mm
7) System requirements: Windows 98SE or above, Mac OS 9.x or above,Linux 2.4x or above

Inner packing:
Dimensions: 18.5 x 13.5 x 4cm

Outer packing:
50pcs/ctn
Dimensions: 51 x 34 x 41.5cm
G.W: 13.3kg