Generic 4 Port USB 2.0 HUB Extender Adapter for Laptop PC

100% brand new! color: black / white each hub with on/off switch, easy to control. over current protection supports up to 480 mbps data transfer rate and is ideal for alleviating desktop clutter! connect usb devices such as a webcam, mouse, printers, scanners and more plug and play fully compliant with usb specification version 2.0, backward compatible with usb 1.1 compatible with: windows 98/se/2000/me/xp/vista/7, linux, mac os etc.