4x USB - Compact, lightweight, and travel-ready, the usb multiport adapter adds 4x USB 3.0 ports through a single USB port. Great 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. USB port hub is designed for data. Will not charge devices