[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 various devices: laptop, , , , 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 a high-definition in seconds.[Humanized design]: 1cm ultra-thin body, compact, convenient and beautiful. The -friendly design considers the size of 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:blackMaterial:plasticPackage Contents:1 x USB HubOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.