Specifications:

Connect various USB devices to your desktop.

Like mouse, keyboard, MP3 palyer, digital camera, printer, flash disk, card reader, PDA.

USB 2.0 and USB 1.1 Compliant

Supported data transfer speed: 1.5/12/480 Mbps

One upstream and seven downstream ports

Supports both bus-and self-powered (automatic switching power adapter at option)

Over-current detection and protection for each down-stream port

Hot-swappable plug and play connection

Daisy-chain connection of up to 127 devices