ECHTPower(TM) 7-Port Stylish USB 3.0 and A Charging Port(Max 2.4A) Compatible with USB 2.0 and 1.1 specifications; no driver required for Windows XP/Vista/7/8 and Mac OS, linux Easily add 7 USB 3.0 SuperSpeed ports to your PC and enjoy data transfer rates of up to 5Gbps for faster sync times. Backward compatible with USB 2.0 / 1.1 Sharing Switch light and LED indicator,Blue LED indicator besides each port indicates power status and USB working status Resistance to high temperature fire protection shell,and support play and plug,and hot-swapping Compatible with any USB 3.0, USB 2.0, USB 1.1 and USB 1.0 Devices. Plug and play / hot plugging. No driver needed. Supports Windows XP/2003/Vista/7/2008/8 & Mac/Macbook/Macbook Air/Macbook Pro; and Linux Computer with USB port