DescriptionColor: Black Material: ABS Dimension: Approx. 160 x 35 x 20(mm) Cable Length: Approx. 60cm 7 Downstream (USB 3.0 A-type) Ports and 1 Upstream port Compliant with USB version:1.1/2.0/3.0 Bus-power limit current protection: 900mA System requirements: windows XP、 vista、 win7、 Mac OS (10.X or above) Supports High-Speed(5G Mbps)、 Full-speed(480Mbps) and Low-speed(12Mbps) USB device profiles per-port Over-Current detection and protection (when power adaptor connected) Supplies USB bus power (when power adaptor connected) Automatic switching between self-powered and bus-powered mode Supports Plug & Play Each Hub With ON/OFF Switch、 Easy To Control 1 x 7port Super Speed USB 3.0 Hub 1 x USB3.0 Cable 1 x EU/US Power Plug