Fast Transmission: This HUB with 1 port USB 3.0 and 6 port USB 2.0; HUB 3.0 Support Super-Speed 5Gbps, High speed 480Mbps, Full Speed 12Mbps, and Low Speed 1.5Mbps Transmission. Universal Compatibility: HUB use for Keyboard, mouse, u disk, camera, usb headset, printer, usb cable, microphone, game machines, usb fan, computer , laptop etc. 7-port current overload detection and protection function design. Wide Compatibility: No need to install any drivers; Down compatible with USB2.0, USB1.1, with Windows XP, Vista, 7, 8, 8.1, 10, for OS and Linux more. Colour:black Material:ABS Package Contents: 1 x hub Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.