"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
China Unicom Has Sold 100,000 iPhones Since Launch
These results indicate sales picked up since the opening weekend which only had 5000 in sales reported. Still, analysts report that the 100,000 figure remains disappointing given China Unicom's 144 million subscribers.
High price, lack of Wi-Fi, and a strong gray market for iPhones in China seem to be contributing to the relatively low carrier sales.