Description: A USB interface is extended to three, small, practical, convenient, and expands three 2.0USB interfaces, each power up to 500MA. Directly connected to the computer, no external power supply, easy to use. The computer automatically recognizes the installation, no drivers, plug and play. USB2.0 interface, support USB1.0/1.1, transmission speed 1.5/12/480MBPS. Built-in current overload short circuit protection device. Specification: Support Cards: MS/Pro Duo, M2, SD/MMC, for Micro SD Cable length: Approx. 150mm Package Includes: 1 Piece USB 2.0 Hub