Bluetooth headsets have long been a core business in the personal audio industry, and are closely related to mobile applications, so it has a huge market of billions of dollars. Apple, Samsung, Beats and Harman brands tell us that Bluetooth headset is not a cold hardware, it can change the industry landscape, express brand attitude, spread culture and design and other values, the quality between Unicom users and brand content medium.

Therefore, we should realize that in addition to sound quality, the Bluetooth headset and personal audio industry must reflect more added value. China is the world's factory and the world's factory for Bluetooth headsets. Beats, JBL, Harman and Airpods are all produced in China.

While we are still delving into how to break through the development of electroacoustic core technology and materials science, we must also see that headphones are redefining Bluetooth headsets because of its huge market and applications are transferred to mobile devices. Upgrades can be a powerful breakthrough. Two or three years ago, when the word "smart wear" became popular, everyone joked that "headphones" was the biggest smart wear in the market. And this sentence is no longer a joke, the functional upgrade of the Bluetooth headset is to make it smart wear.

The popularity of Bluetooth headsets is supported by the billions of mobile phone applications. The long tail theory tells us, "Why is the future of business a niche market?" Headphones are accessories in the mobile Internet of mobile phones and are niche. And there are more niche in the niche, that is, the new market of speakers, Walkman, HiFi headphones and so on.

Headphones as part of the personal audio industry mean that it can't completely move away from the mainstream trend. Even if it is inseparable from the DAC and sound card of the power cord, it also needs to support USB connection to the mobile phone. And the touch operation brought by the smartphone, online music resources also forced the Walkman to find ways to achieve these functions. The audio chip maker, which originally played the role of a real long tail, unexpectedly stepped onto the front desk.