Connect up to four USB 3.0 devices to your USB-C computer Super Speed USB 3.0 data transfer rate of up to 5Gbps Backwards compatible with USB 2.0 and USB 1.1 Space-saving, compact design that easily fits in briefcases, backpacks, and pockets Hot swappable: Connect and disconnect devices without powering off your computer Plug-n-play Requirements: USB 3.1 Type-C port. Windows 7, Windows 8, Windows 8.1, Windows 10. Mac OS X 10.6+