High Speed USB 3.0Supports 5Gbps ultra fast data transmission, efficient and stable for file transfer.4 Port Expansion DesignExtends 4 USB ports, easily connecting multiple peripherals at the same time.Wide CompatibilityWorks with laptop, desktop, keyboard, mouse, U disk and other USB devices.Plug and PlayNo driver needed, simple to use, stable connection for long time working.Compact and PortableLightweight body, easy to carry, perfect for home, office and travel use.