1.Usb hub 12 port pass the Rohs,CE,FCC 2. 1 Year warranty usb hub 3. OEM usb hub 4.6 port usb 3.0 5.support windows 7. usb hub 3.0Fully compliant with USB 1.1 specifications, Backwardly compatible with USB 2.0 Plug and play installation Adds USB 3.0 High-peed ports. Supports up to 127 Full-speed or Low-speed devices Supports data transfer rate at 1.5/12Mbps/480Mbps Over-current detection and ...