4 Ports USB 3.0 Hub:This USB hub can easily expand one of your computer's USB ports into four port(Does not support charging). Support 4 ports to work at the same time, without any pressure, and keep the temperature in the middle range. which can greatly improve your working efficiency, Plug and play, no need driver, easy to use.5Gbps High Speed Transmission:With high efficient USB3.0, 4-port USB splitter provides 5 Gbps stable data transfer and is compatible with 2.0/1.0. It is fast enough to transfer an HD movie in seconds. Note: This hub support output max current up to 900mA. So some HDDs that need a current of more than 900mA need an external power adapterUltra Slim Portable and LED Indicator Design:1cm ultra slim body, small, convenient and beautiful. The user-friendly design takes into account the size of most flash drives on the market and the space between each USB port. Insert 4 flash drives at the same time without worrying about space. Blue low-light indicator light, faint and not dazzling, but also able to know the working status at any time, grasp the power status.Wide Compatibility:4-port USB expander applies to various devices: laptop, pc tower, XBOX, PS4, flash drive, keyboard, mouse, card reader, HDD, cellphone OTG adapter, printer, camera, USB fan and USB cables,which can meet the various needs of your daily life.