< span > 24x7 technology learned from supply chain sources that Apple plans to launch a promotional campaign next year to give consumers who buy the latest Apple phones free wireless headsets. From 2017 to 2019, led by the first generation of airpods, the growth rate of TWS earphone shipment increased from 118% to 183%, with rapid development. As a weathervane of the industry, Apple may bring greater changes to the TWS headset market.