In October last year, Apple launched the third-generation TWS (True Wireless Stereo) headset, AirPods Pro, on the official website for $ 249. This price is higher than the previous two generations, but it has not hit consumer enthusiasm in the slightest. Earlier, the two generations of TWS headphones released by Apple reversed the decline in sales after the release of ordinary electronic products, and became absolute benchmarks for the TWS headphones industry. The TWS headset is not just a sound transmission tool. Its more important role is an AI assistant based on voice interaction technology. As a smart wearable device, the TWS headset is designed to provide a better human-machine interaction experience. For consumers of TWS headsets, the instant automatic connection can be achieved after the initial setting, so a smooth user experience is more important than sound quality. This can also provide some explanation for "why AirPods can produce word-of-mouth effect...