about this project 4 Ports Simultaneously: This USB hub can easily expand one USB port of your computer to four ports (charging is not supported). Support 4 ports to work at the same time, no pressure, the temperature is kept in the middle range. Plug and play, no driver required, easy to use. WIDE APPLICATION: The 4-port USB extender is suitable for various devices: laptops, computer towers, XBOX, PS4, flash drives, keyboards, mice, card readers, hard drives, mobile phone OTG adapters, printers, cameras, USB fans and USB data cable . Super High Speed Transmission: With high-efficiency USB3.0, VIENON 4-port USB splitter provides 5 Gbps stable data transmission and is compatible with 2.0/1.0. It's fast enough to stream a high-definition movie in seconds. Humanized design: 1cm ultra-thin body, compact, convenient and beautiful. The user-friendly design considers 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, can also know the working status at any time and grasp the power status.