Specifications Hign-concerned Chemical:None Length:30cm Package:Yes Certification:CE Funtion:None Standard:USB 3.0 Ports:4 Interface Type:USB 3.0 Ports:7 Origin:Mainland China Plug Type:None Product name:USB HUB USB version:USB 3.0 Number of interfaces:7 Port Feature 1:USB HUB 3.0 Feature 2:USB 3.0 HUB Feature 3:USB Splitter Feature 4:USB 3.0 Splitter Feature 5:USB Adapter Feature 6:USB 3.0 Adapter Feature 7:usb Docking station Features: Small and light, easy to carry Unique card opening design, convenient and energy saving 4-port USB interface supports hot swap, plug and play, easy to use Interfaces are arranged in parallel, no interference with each other, good compatibility The length of the connecting line is 30cm, with good flexibility and more convenient use Support overload voltage and instant current protection functions, effectively protecting the connected equipment and the HUB itself The theoretical transmission rate of USB3.0 interface is up to 5Gbps, and it is backward compatible with USB2.0/USB1.1 Drive-free support Windows XP/Vista/7/8 & MAC with USB support ======================================================= Support U Disk / Hard Disk / Keyboard Mouse Easy access to 8T hard drive Extra power supply from backup power supply port Connect keyboard and mouse Sensitive and smooth DC 3.5 5V power supply Provide enough power for usb Support various usb devices