Amebay High Speed 7 port USB 3.0 Compact HUB wtih Electronic Switch For PC Laptop Blue LED indicates power status for each port 7 Ports (output); 1 Port (input) Supports USB 3.0 super speed(5Gbps)transmission,downward compatible USB2.0/1.1 Compatible with WindowsXP/7/8,Vista,Mac OS,Linux Mutiple USB 3.0 interface supports plug and play,hot-swap,easy to use and carry