"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
Apple Releases iOS 7.0.5 for iPhone 5s/5c With Fix for Network Provisioning in China
The update, which arrives as Build 11B601, is only available for some models of the iPhone 5s and 5c sold in China and some European/Asia Pacific iPhone models compatible with China's networks (those that are identified as iPhone 5,4 and 6,2):
A1530 (Asia Pacific)
A1529 (Asia Pacific)
The update comes more than two months after the release of iOS 7.0.4, which included additional bug fixes and a repair for an issue that caused FaceTime calls to fail for some users.