4-Port Dock comes with 4 USB Ports, Charging Port. The casing features a space grey aluminum outlook and rounded edges, intending to get combination of technology and elegance. Simultaneously connect 4 super fast USB 3.0 port such as keyboard, mice, speakers, hard drives or thumb drives and quickly transfer documents, video and music files at up to 5 Gbp/s. This Hub can charge your host device via power adapter port and USB 3.0 port at the same time.