Converts a single USB port into four USB 3.0 ports, enabling speed peripheral expansion with data transfers up to 5 Gbps. Easy plug and play installation. Works seamlessly with USB 3.0, USB 2.0 and USB 1.1 devices, and supports hot swapping of all USB 3.0, 2.0 and 1.1 devices. Reduces power consumption for longer battery life and makes power supply optional in laptop applications. Lightweight and compact design for travel. Supports Mac OS X v10.3 and above, and Windows (not Windows RT). Use scenarios On a laptop, expand a single port to provide a complete workstation: connect a keyboard, a mouse, an external SSD, and a USB drive for productive access to peripherals. While traveling, plug into a laptop to add essential USB peripherals without carrying extra power adapters, benefiting from lower power consumption. On a desktop or older computer, add four USB 3.0 ports to enable speed data transfer for external drives and other USB devices, while maintaining compatibility with USB 3.0, 2.0 and 1.1 peripherals.