1) USB 2.0 and USB 1.1 Compliant and USB-IF certified

2) Supported data speed: 1.5/12/480Mbps

3) One upstream and seven downstream ports

4) Supports both bus and self powered (automatic switching 2A power adapter included)

5) Over current detection and protection for each down stream port

5) Hot swappable Plug & Play connection

6) Daisy chain connection of up to 127 devices