Fetures: 1. High Speed USB 2.0 with 4ports (support external power source) 2. IC: GL-850A 3. Hot Plug and play 4. All the usb pot hub will be with LED indicator 5. USB 2.0 device rate up to 480 Mbps data transfer rate 6.Capacibility: ACPI, OHCI and EHCI compliant 7. Support Operation System: Windows 7/98/ 98SE/ Vista/ ME/ 2000 / XP/ Mac OS X9.0 and Linux 2.4 later version. 8. Connects to scanners, printers, digital cameras, camcorders, speakers, mice, keyboard, external drives, MP3 players. Specification: Product Name creative cute usb hub Color Blue/Yellow/Black Transfer rate 480 Mbps Interface Type USB 2.0 Number of Ports 4 Ports OEM/ODM Acceptable Certification CE,FCC,RoHS Size 33*33*47mm IC GL-850A