... 1. Compatible with USB2.0/ 1.1. 2. No extemal power supply. 6. Built-in LED power indicator. USB 3.0 SPEED HUB 1.Compatible with USB2 ... .0/1.1. 2.Support for hot-swappable ... Speaker, Mouse, keyboard,Game Headphone and Keyboard, Game Mouse, Gamepad, USB Hub,Card Reader, PCI and PCI-E card, Data Splitter/Switch ...