Best solution for expansion need. USB3.0 provides super speed data transfer rate up to 5GBPS. Plug and play, without complicated driver installation. Compatible with USB2.0 / 1.1. With an optional power port (Micro USB). By connecting to external power supply, it can supply power to peripheral devices. Designed and manufactured with BC1.2 charging technology. Support Windows 7/8/8.1/10 (32/64bit), Mac OS 10.x or higher version operation system.