Brand new and high quality. Portable size, Compact, light weight design. Plug and play, no driver installation required. Fully compliant with USB 3.0/2.0/ 1.1. Supports data transfer rate up to 480Mbps/5Gbps. Expand 3 USB ports supply up to 500mA current per port. Use high performance electronic part to stable product operation. Support downstream wrong signal detection and revert to normal function. Power consumption, low operating temperature so solts and slots without interfere with each other. Allows simultaneous operation of up to 3 separate devices all attached to a single USB port. USB A male connector can be rotated 180 degrees, easily meeting users orientation angle demands. Supports Win ME/ Vista/ XP/ 2000//Win 7 MacOS 10.4.5/ Linux 2.4.1 and so on. The product is suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera. size:5.5x2cm Material:plastic colour:Black Package Contents: 1 * 3 Port USB 3.0 Hub 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.