1. Expand 1 USB port to 4 USB ports
2. Connect various USB devices, like mouse, keyboard, flash disk, card reader, PDA.
3. Slim design, for convenient portability.
4. With Power On Indicator, and LED Indicator for each port.
4. The LED light blink when USB device plugged in.
5. USB bus-powered, or with external power adaptor
6. USB specification 1. 0 and 1. 1 compliant,
7. Compatible with USB2. 0, full speed transmission at 12Mbps.
8. Semi-transpartnet i-Mac Color, blue, purple and other colors available.
9. USB Extension Cable supplied for using with desktop PC.
10. Support Win98/98se/Me/2000/xp, Linux/Mac OS.