With the deepening of Bluetooth concepts and the development of technology, consumers' demand are increasingly diversified from wired earphones to wireless Bluetooth earphones, from Bluetooth 3.0 to 5.0, from single devices to multiple devices. Bluetooth is constantly updated in technology, emerging in front of the public. From the Bluetooth concept proposed by Ericsson in 1995 to the Bluetooth 5.0 version today, the Bluetooth technology has become matured after more than 20 years of development.
With continuous innovation in appearance and product functions, Bluetooth headphones have gradually penetrated into multiple fields, and their functions have become increasingly diversified. Under the premise of intelligence, they are equipped with mini lightweight, noise reduction, waterproof and dustproof, comfort, portability, long-term battery life and strong compatibility, etc. The advantages of wireless Bluetooth headphone are increasingly prominent. There are data showing that the growth rate of the Bluetooth headphone online market in the past 12 months is 79.52%. The sales in November 2017 increased by 43.2% compared with the same month last year. It is obvious that the Bluetooth headphone is fast growth trend.