Turn a single USB port into 4 USB 2.0 ports. USB Four-Port Micro Hub lets you connect up to four USB devices or up to two high-speed devices without the need of a power supply. With USB connectivity, you get fast, reliable data transfers for a variety of devices. Compact size and plug-and-play ease make it the ideal accessory to include inside your laptop case. Micro hub includes global-use power supply, lighted indicator to signal status and USB extension cable. Transfer speed is up to 480Mbps.