High-speed USB2.0 3 ports, support various USB devices.The computer automatically recognizes and installs, no driver, no external power supply, plug and playBuilt-in current overload protection deviceSupport Windows and Mac 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 Compatible With you to connect any USB devices on the desktop;Extend the USB interface from the chassis to the desktop, so you can connect any USB device on the desktop Compatible With iPad / Tablet / 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 shooting 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.