DescriptionAre you looking for a professional, yet affordable docking station? Are you in search of a sturdy, trustworthy hub that can do multiple jobs at once? If yes, look no further! Our professional extension dock must meet your needs. It is one of the best choices for you.Features- Color: Black and white. - Material: Plastic. - Size: 4.80X4.30X1.80cm/1.89X1.69X0.71 inch. - Port: USB 2.0. - Support 3 ports to expand at the same time, 3 USB ports to expand for the computer, data transmission, charging and so on can be carried out at the same time, say goodbye to repeated plug. - USB device suitable, support keyboard, mouse, U disk, mobile hard disk, cards reader, printer, U shield, USB fan and other equipment. - Plug and play, compatible with multiple systems, no need to drive. - USB 2.0 high transmission speeds, 3 ports can be used simultaneously. - Built-in engineering level master control chip, data transmission is efficient and stable, file copy is not lost.