Thanks to the rapid development of intelligent hardware, wireless audio has become a popular peripheral accessory of mobile phones. One of the most significant phenomena is that people keep their mobile phones all day long. After work, the use time of mobile phones has exceeded that of PC devices. However, due to the size limitation of mobile phones, large audio units cannot be added, so the sound quality is often unsatisfactory. Xiaomi pocket is called "a good speaker that can be put into pocket".
