Features of USB Digitus (DA-70216): 4-port USB 2.0 hub with ports on the ends of each cable 4 x USB A sockets, 1 x USB A plug Includes a DC connector for connecting to an external power source Compatible with USB specifications 2.0 Supports data transfer rates up to 480 Mbps Plug And Play and hot swap function Surge protection on each output Ready to connect with built-in USB connection cable Connection cable length 100 cm Supports Windows 7, Vista, XP and Mac OS 10.x