Product introduction: 1.The portable USB 3.0 hub is introduced, which extends more scarce USB 3.0 2.0 interfaces for PC, super computer and tablet computer with USB interface. 2.It is made of high strength ABS plastics with concise design. Miniature appearance, suitable for different occasions. 3.The integrated design makes it easy to expand 7 USB 3.0 interfaces without power supply. 4.The layout is reasonable and 7 USB devices do not interfere with each other. With external DC 5V2A power interface Function: 1.It is equipped with high-performance main control chip and expands 7 USB3.0 high-speed interfaces. 2.It has reliable continuous working ability and safe and stable transmission performance. With advanced USB PHY technology, each interface can run at a theoretical 5 Gbps transmission rate at full speed under different topology and channel conditions, and the transmission is safe and stable. Features: Unique card opening design, convenient and energy-saving 7-port USB interface hot plug-and-play, easy to use The length of connecting wire is 30cm, which is flexible and convenient to use. Overload voltage and instantaneous current protection function to effectively protect connected equipment and HUB itself The theoretical transmission rate of USB3.0 interface is as high as 5Gbps, and it is downward compatible with USB2.0/USB1.1. Driver-free Windows XP/Vista/7/8 MAC with USB