More Ports Maximize your time by the to plug in multiple USB devices instead of having to to use just one at a time. Design Weighing around 0.9ounce, the Data Hub is designed to be as portable as possible. Perfect for static use and on-the-go. Plug-and-Play Supports hot swapping - no driver installation required. Safety-Cover Design Effectively protect USB connector from damage and dust. Stay Organized Gives You The To Connect 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: 3 x 4 Port USB Hub NOTE: This data hub is USB bus powered, requires no additional AC power, 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 -consumption devices, such as external hard drives. External hard-drives should be connected to an external power 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 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. : Win95 osR2/98SE//2000/XP, Linux2.4 and os8.5VASTA and 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, box and other equipment. Support hot swap, low power consumption, no driver, plug and play. Ultra : Lightweight and safety-cover design enables the multi port usb hub to be mini and portable, perfect for static use and on-the-go.Powerful 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. 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. add up to 4 devices with the USB 2.0 Hub. Particularly great for that a limited number of USB ports. Achieve full 480 Mbps on each port. Fully backwards compatible 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, , or other tablet and smartphone devices with or without a PC connected. Not BC 1.1 / 1.2 compatible.Devices That Are Not Compatible With This 4-Port Hub:This 4-Port hub cannot be used with built-in car stereo or such as Android Auto and CarPlay as these do not support USB .