【4-ports at Same Time】：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. Plug and play, no need driver, easy to use. 【Wide Appliaction】： 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. 【SuperSpeed Transmission】：With high efficient USB3.0, VIENON 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. 【user-friendly 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. 【LED indicator Design】：Blue low-light indicator light, faint and not dazzling, but also able to know the working status at any time, grasp the power status.