"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
Exterior Decorations at Yerba Buena Center Nearly Complete Ahead of October 22 Event
Apple's event kicks off next Tuesday, October 22 at 10:00 AM Pacific Time and the company is expected to introduce a number of new products including both hardware and software. New iPads are expected to be a major focus of the event, but OS X Mavericks, Mac Pro, and other products will also be addressed.