Features:
100% brand new and high quality
Hot Plug & Play USB device
Fully compatible with version 2.0 of the USB specification
With blue LED for power
On / off switches enable or disable individual ports
Designed with a 4/7 port, this compact USB2.0 high-speed hub is small enough to travel, and enough cable to meet your connectivity needs

Specification:
USB ports: 7/4
Interface: USB 2.0, Compatible with USB 1.1
Cable: about 50 cm
Size: 163 * 22 * 35mm / 120 * 21 * 35mm
Data Transfer Rate: 1.5Mbps-12Mbps-up to 480Mbps
Bus-power Limit Current Protection: 500mA
Maximum Capacity Supported: Up To 500GB
Compatible: Windows 95/98/2000/2003/ME/XP/Vista and Mac OS 8.1 or above

Package:
1 xUSB 2.0 7-port HUB
or
1 USB 2.0 4-port HUB