Arstechnica reports that the USB Promoter Group and the USB Implementers Forum have completed the design and spec for the next-generation of microUSB connector. Dubbed the Type-C, the plug will be similar in size to the current MicroUSB 2.0 connector, but will support the USB 3.1 spec with speeds up to 10GBps and power delivery up to 100W. The design is also reversible, much like Apple's Lightning plug, and is designed to be upgradable and scale with future USB spec changes. The USB Promoter Group promises that adapters for existing Type-B plugs will be readily available. And there's no word of changes to the venerable "standard" A plug--the end on desktops and laptops--which is really the one that needs to support reversibility.