4-ports at Same Time This USB hub can easily expand one of your computers USB ports into four port(Does not support charging). Support 4 ports to work at the same time,without any pressure.Plug and play,no need driver,easy to use.Including support for USB Flash drive,Mouse,Keyboard,Printer or any other USB Peripherals. Excellent Technical Design Build-in advanced chip to avoids over current,over voltage,short circuit and high temperature,safeguard your valuable data and USB gadgets. Ultra thin and compact Ultra-thin and compact design,fast heat dissipation.USB extender hub is designed with a subminiature body,which is convenient and beautiful, and is very suitable for your work and travel. 5Gbps High-Speed USB port hub With high efficient USB 3.0technology,capable of transferring data at speeds of up to 5 gbps fast enough to transfer HD movies in seconds.