Features:
1) 4-port USB hub
2) Super mini size
3) Aluminum body
4) USB2.0 or USB1.0/1.1 interface
5) LED for bus activity monitoring
6) Full plug-and-play and hot-swapping capability

Specifications:
1) Compact and super slim aluminum housing
2) One uploading link (USB B mini type)
3) IBM PC and Macintosh compatible
4) No driver needed
5) External power adapter: DC 5V, 2A (optional)
6) System requirements: Windows98SE, Me, 2000, 2003, XP, Mac OS 9.x/X, Linux
2.4x or above

Inner packing:
1pc/box
Dimensions: 65 x 65 x15mm
N.W.: 45g

Outer packing:
50pcs/ctn
Dimensions: 47.00 x 36.50 x 44.50cm
G.W.: 11.00kg