4-ports at Same TimeThis 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 and keep the temperature in the middle range. Plug and play no need driver easy to use. SuperSpeed TransmissionWith high efficient USB 3.0 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. Wide AppliactionVIENON 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. Unique Exterior Design1cm ultra slim body Unique transparent panel 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 DesignBlue low-light indicator light faint and not dazzling but also able to know the working status at any time grasp the power status.