Color：Black      Model：P-1030  Quantity：1 Piece Material：Plastic  Shade Of Color：Black  Indicator Light：Yes  Port Number：4  Spacing：1.8cm  Current Output：500mA  With Switch Control：Yes  Interface：USB 2.0  Transmission Rate：480 bps  Powered By：USB  Supports System：Others，Windows 7 / Windows 95 / 98 / 2000 / ME / 2003 / XP / Vista or Mac OS 9.1 above  Other Features  Operating voltage: 5V  Packing List  1 x USB hub (60m-cable)<img src="http://112.74.112.28/down/products/351635/351635_000.JPG" noproxy>