Features: 1. The information card reader can only read one kind of card at the same time. For example, when inserting the SD card, you cannot insert other cards at the same time, otherwise the card will not be recognized (in fact, most people will not read multiple cards at the same time). 2. The HUB can work at the same time when the card is read, without affecting each other; this USB Hub can drive 80G mobile hard disk in actual measurement. 3. It has both 2.0 HUB function and all-in-one card reader, and the workmanship quality is super good. One USB interface can be expanded to three, which is small, practical and convenient. It can expand three 2.0USB interfaces, and each power supply can be up to 500MA. 4. The second-generation USB HUB controller is used, which is directly connected to the computer, without external power supply, simple and easy to use, the computer automatically recognizes and installs, and does not require drivers, just plug and play. 5. USB2.0 interface, support USB1.0/1.1, transmission speed 1.5/12/480MBPS, built-in current overload short circuit protection device card reader plus hub. specification:Ports: 6 Standard: USB 2.0 Function: none Interface type: USB 2.0 Model: USB HUB PackageList:1*Hu