USB 2.0 high-speed interface?? supports data rates of 1.5/12/480 Mbps</br>Backwards compatible with USB 1.1</br>Automatic connection and speed detection</br>Plug-and-Play; hot-plugging; driver free</br>Over-current detection and protection</br></br>Product Description</br></br>Ports: 1 upstream port and 4 downstream ports. Power Mode??Bus-powered mode. Hub with USB cable. LED to indicate power status. AmazonBasics Gel sticker on the cable connector.</br><br/>http://www.amazon.com/gp/product/B003M0NURK