For connecting up to 3 USB devices (e.g. mouse, keyboard, USB memory stick) to one USB C connection ,- Super speed data transfer rates of up to 5 Gbps ,- Great distance between sockets makes it easier to plug in wider USB plugs/dongles ,- No bothersome trying out: the plug can be inserted without having to be turned ,- Especially compact, therefore easy to transport with the notebook / tablet ,- Bus-powered, i.e. voltage supply comes from the USB socket on the device ,- Suitable and tested for USB 3.1 Gen 1, but also works with USB 3.0 and USB 2.0 devices ,- One USB-A 3.1 and two USB-A 2.0 connections , ,System Requirements: ,- Operating system: Windows 10/8/7 and Mac OS 10.8 upwards