4-Port USB 3.0 Hub: This USB hub easily expands one USB port on your computer into four (not charging). Supporting all four ports simultaneously, it's perfect for connecting USB peripherals such as flash drives, mice, keyboards, and printers. No drivers required.Slim and Portable: The ultra-thin 1cm design makes it easy to carry. The user-friendly design takes into account the size of most flash drives on the market and the space between each USB port. Plug in four flash drives simultaneously without worrying about space.Super-Speed ​​Transfer: The 4-Port USB Hub utilizes a highly efficient USB 3.0 interface, delivering 5G stable data transfer and is compatible with 2.0/1.0. It's fast enough to transfer an HD movie in seconds.Wide Compatibility: The 4-Port USB Hub is compatible with a variety of devices: laptops, computer towers, mice, card readers, hard drives, and mobile phone OTG adapters.