Four-port USB 1.1/2.0 hubs No external power required Folding USB for connection Fully compliant with USB 2.0/1.1 specifications User-friendly, hot plug-and-play bus for desktop/Notebook applications Full-speed (USB 1.1/2.0) USB ports would share one standard 12Mbps connection for a maximum of 3Mbps per port Compatible with Windows 98, 2000, ME, XP, and Mac OS With a big space for imprinting logo Data transfer speed up to 480Mbps Ideal as gifts and promotional items