Key benefits Simultaneous USB expansion: supports multiple USB devices at the same time, such as camera, mouse, keyboard, computer lamp, MP3 player, and voice recorder. Portable and stylish design: plumshaped, pocketsized form factor for easy carrying. The computer automatically recognizes external power and supports plugandplay. Broad compatibility: compatible with Win95/98/XP, Linux 2.4, and OS 8.5. Fourport USB hub: expands a single USB connection into four functional USB interfaces, using the secondgeneration USB tuning device to extend the ports. Product features Function: provides four USB ports from one connection, enabling multiple peripherals to operate concurrently. Compatibility: supports Windows 95/98/XP, Linux 2.4, and OS 8.5 or equivalent. Size and design: plumshaped, pocketsized, portable for travel or daily use. Power and ease of use: auto power recognition and plugandplay functionality for straightforward setup. Use scenarios Desktop workstation: connect keyboard, mouse, webcam, and a USB lamp from a single hub to reduce cable clutter and keep your desk tidy. Mobile or classroom setup: carry in a bag and plug into a laptop to provide extra USB ports for a keyboard, mouse, and USB drive during presentations or work on the go. Data transfer and peripherals: quickly connect an MP3 player or voice recorder for data transfer or access to portable peripherals without swapping adapters.