High-speed USB2.0 3 ports, support various USB devices.The computer automatically recognizes and installs, no driver, no external supply, plug and play-in current overload protection deviceSupport Windows and operating systems;The cable is 1.2 meters long, and the USB interface can be extended from the chassis to the desktop, which is convenient for you to any USB devices on the desktop;Extend the USB interface from the chassis to the desktop, so you can any USB device on the desktop for / / Smart Phones.(USB2.0 HUB cannot support charging)Top diameter 70mm; bottom diameter 59mm, height 23mmUSB2.0:Up to 480Mbps transfer rateColour:Photo ColorMaterial:ABSPackage Contents:1 * USB HubOnly 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.