【Use 4 Ports Simultaneously】: This USB hub can easily expand one USB port on your computer to four ports (charging is not supported). Supports 4 ports to work simultaneously without issues and keeps the temperature within a moderate range. Plug and play, no driver required, easy to use. 【Wide Application】: The 4-port USB extender is suitable for a variety of devices: laptops, computers, XBOX, PS4, USB flash drives, keyboards, mice, card readers, hard drives, mobile phone OTG adapters, printers, cameras, USB fans, and USB cables. 【Ultra-Fast Transmission】: The 4-port USB splitter uses efficient USB3.0, provides 5Gbps stable data transmission, and is compatible with 2.0/1.0. The speed is sufficient to transfer an HD movie in seconds. 【Humanized Design】: 1cm ultra-thin body, small, convenient, and beautiful. The humanized design takes into account the size of most USB flash drives on the market and the distance between each USB port. 4 USB flash drives can be inserted simultaneously without worrying about space. 【LED Indicator Light Design】: The blue dim indicator light is subdued and not dazzling, and you can know the working status and power status at any time.