Big Expansion: Instantly transform one of your computer's USB ports into four, quadruple your USB input capacity. Fully plug and play, Easy Setup, Hot plugged, Hot Swappable. Ultra Compact: Lightweight and safety-cover design enables the multi port usb hub to be mini and portable, perfect for static and on-the-go. Compatibility: Works with USB 3.0, 2.0, or 1.1 controllers and devices on Windows, , and Linux/Unix computers at USB 2.0 speeds. Operating system: Win95 osR2/98SE/Me/2000/XP, Linux2.4 and os8.5VASTA and above.Transfer rates are device and USB controller dependent.The product is suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera camera, USB sound card, hard disk box and other equipment. Support hot swap, low consumption, no driver, plug and play. Easily add up to 4 devices with the USB 2.0 Hub. Particularly great for notebooks a limited number of USB ports. Achieve full 480 Mbps on each port. Fully backwards with the USB 1.1 products.No Charging Capabilities:This 4-port hub is for data only and does not support charging of the connected devices. Functions as a USB hub only and will not charge phones, tablets, iPads, iPhones, or other and smartphone devices with or without a PC connected. Not BC 1.1 / 1.2 .Devices Are Not With This 4-Port Hub:This 4-Port hub cannot be used with -in car stereo systems or systems such as Android Auto and CarPlay as these systems do not support USB hubs. More Ports Maximize your time by gaining the ability to plug in multiple USB devices of having to to just one at a time. Compact Design Weighing around 0.9ounce, the Data Hub is designed to be as portable as possible. Perfect for static and on-the-go. Plug-and-Play Supports hot swapping - no driver installation required. Safety-Cover Design Effectively USB connector from damage and dust. Stay Organized Gives You The Ability To All Your Devices, such As A Printer, Card Reader, Cell Phone, , Thumb Drive, Mouse, Keyboard, Or An External Hard Drive. colour:black Material:ABS size:8.3 x 2.3 x 2.6cm Package Contents: 1 x 4 Port USB Hub NOTE: This data hub is USB bus powered, requires no additional AC , eliminating the need for a bulky adapter. x This USB Hub 2.0 is not fot charging. Functions as a USB hub only and will NOT charge devices. For a stable connection, avoid connecting high -consumption devices, such as external hard drives. External hard-drives should be connected to an external source. This 4 Port hub will not charge your devices, it will only sync . Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.