The JetFlash 890S is an OTG flash drive that features a dual connector: a reversible USB Type-C connector and a regular USB 3.1 Type-A connector. With Windows 10, Microsoft's mobile devices support USB On-The-Go (OTG), and the Lumia 950 and Lumia 950 XL sport the USB Type-C port instead of the more common micro USB port.
Full story from the WindowsCentral blog...