Features: Compatibility: It supports most of portable devices, such as digital cameras, iPods and iPhones, all kinds of card readers, USB speakers, and more. Ultra Fast: 4-port USB 3.0 with superspeed data transfer rate up to 5Gbps, backward compatible with USB2.0/1.1. Considerate Design: Built-in cable to extend the port to the desk, perfectly matches with your desktop and laptop. Slim Easy: Portable and compact design is easy to carry; Support OTG function; Plug and play, hot swap, no drivers needed.