Designed with 4 port, this compact USB2.0 high-speed hub is small enough for travel,and cable enough to meet your connectivity needs
ON/OFF switches activate or deactivate individual ports. With blue LED for power
Fully compatible with USB specification version 2.0 and backward compatibility
Hot Plug & Play USB device
Date Transfer Rate:Upto 480Mbps Color:Black/White 
Compatible: Windows,Mac OS or Linux systems