1>. Compatible with USB 1.1 and USB 2.0
2>. No external power is required
3>. Connects up to 127 USB devices
4>. Supports Plug-and-play and hot-swap
5>. Supports full speed 12Mbps and low speed 1.5Mbps operations
6>. Supports Microsoft Windows 98SE, ME, 2000 and XP OS