[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 in the middle range. Plug and play, no driver required, easy to use. [WIDE APPLICATION]: The 4-port USB extender is suitable for devices: laptop, computer tower, , , flash drive, keyboard, mouse, card reader, hard disk, mobile phone OTG adapter, printer, camera, USB fan and USB data cable . [Super High Speed Transmission]: With high-efficiency USB3.0, 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 . [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. Colour:black Material:plastic Package Contents: 1 x USB Hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.