Plug the microphone end of the headset into your ear, then wrap the microphone around your mouth and wrap the other end of the cord around your other ear. Earphones (Earphones; Headphones; Head-sets; Earpieces are a pair of conversion units that take signals from a media player or receiver and convert them into audible sound waves using speakers placed close to the ear. The headphones are generally detachable from the media player and are connected using a plug. The advantage is that you can listen to the sound alone without affecting others; It can also block the sound of the surrounding environment, which is very helpful for people who use in noisy environments such as recording studios, DJS, travel, sports, etc. Earphones were originally used for phones and radios, but with the popularity of portable electronic devices, earphones are mostly used for mobile phones, walkmen, radios, portable video games and digital audio players. From the development of the entire audio industry, wireless headphones are still a new thing, the development time is not long, and it is still in the rising period, user demand continues to increase, and users' expectations for wireless headphones are also increasing, which is a new test for the industry. At present, several key points that users are most concerned about include sound quality, endurance and wireless transmission capacity, from the data point of view, wireless transmission capacity can basically meet the needs of the vast majority of users, and sound quality and endurance still have great potential for improvement, if you start from these two points to improve, I believe it will be easy to attract users in the future.