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