Features:
1) Fully compliant with the Universal Serial Bus Specification version 1.1 compatible USB 2.0 2) Single chip integrated USB hub controller with embedded proprietary processor
3) Supports four bus-powered / self-powered downstream ports
4) Built-in 3. 3V voltage regulator allows single 5V operating voltage, resulting in reduced overall system cost.
5) Runs at 12MHz frequency
6) Driverless, hot plug & play, blue LED or 7 colors lightful show
7) Supports OS: Windows XP, 2000, ME, 98, Linux2. 4 and Mac OS8. 5 or over version
8) Allows matching outside power of DC 5V /1, 000mA

Specifications:
Packing size: 25.7*22. 5*2.5CM
Ctn size: 67.5*27.5*46.5CM 60PCS/CTN
N. W.: 16.5KGS G. W.: 17.5KGS