... OEM logo High speed usb 2.0 slim hub 4 port driver to usb Descriptions:---Innovative design---With 4 USB ports---Support hot plug ... transfers 12Mbps---Installation of automatic computer recognition, no external power supply, without driver---Apply to the U disk ... , USB keyboards, scanners, digital cameras, digital cameras, audio systems, monitors, input devices, etc Promotional gifts:For gift giving ...