4x USB: Compact, lightweight, and travel-ready, the USB multiport adapter adds 4x USB 3.0 ports through a single USB port; ideal as a USB hub for laptop or desktop to connect a USB flash drive, keyboard, mouse, or any other legacy USB devices SuperSpeed USB: Multiple USB port adapter provides 4x USB 3.0 ports, each capable of transferring data at up to 5Gbps; designed for data transfer only, does not charge devices