1. One USB interface can be expanded into three, which is compact, practical and convenient. It can expand three USB 2.0 interfaces, each with a power supply of 500MA 2. Connect directly to the computer, no need for external power supply, simple and easy to use 3. The computer automatically recognizes and installs, no driver is needed, plug and play, plug and unplug 4. USB2.0 interface, support USB1.0 / 1.1, transfer speed 1.5 / 12 / 480MBPS 5. Built-in current overload short-circuit protection device 6. Interface: USB 2.0 7. Transmission rate: 480MBS 8. Number of interfaces: 7 ports 9. Support cards: MS / Pro Duo, M2, SD / MMC, Micro SD 10. USB cable length: about 60CM 11. Size: 7.5x7.5x3CM
