If you need a voice call, you'd better bring a microphone.
Pinyin of "earphone": extinguish RJ and extinguish "; "Headphones" in English: Earphones；; Headphones; Headphones; Headphones.
Headphones are a pair of conversion units, which receive the electrical signals sent by the media player or receiver and convert them into audible sound waves through the speakers close to the ears. Headphones are usually detachable from the media player and connected by a plug.
The advantage is that you can listen to the sound alone without affecting others; It can also isolate the sound of the surrounding environment, which is very helpful for people who use it in noisy environments such as recording studio, DJ, travel and sports. Headphones were originally used for telephones and radios, but with the popularity of portable electronic devices, headphones are mostly used for mobile phones, walkmen and radios. Portable video games and digital audio players.
1 There is a folk saying of "nine females and ten males", which mainly refers to the fact that female crabs lay eggs in September of the lunar calendar