1. With 5.1 channel and audio high fidelity different structural design 2. Small and light appearance, good electrical conductivity, high safety and stability 3. DIP and SMT are available for installation 4. Contact terminal adopts elastic structure design to ensure good, stable contact and service life 5. Can design different functional connection products according to customer requirements 6. Flexible application: PJ-213M headphone socket is widely used in portable devices such as mobile phones, tablets and TVS. You can use it to connect wired headphones for things like enjoying music, watching movies, or making phone calls. At the same time, you can also use the microphone to operate during a call or speech recognition. 7. Stable transmission quality: PJ-213M headphone socket adopts advanced conductor and interface technology, which can ensure the stability and quality of audio transmission, so as to reduce various interference and noise in the transmission process, so as to ensure the purity and clarity of sound quality. 8. Multifunctional connection: PJ-213M headphone socket can connect a variety of different types of audio equipment, such as headphones, speakers, audio and so on, to meet your different needs. In addition, in the home audio and video system, the socket can be used to connect the TV, computer and audio equipment, so as to realize the sharing and application of multimedia equipment. 9. Durable service life: PJ-213M headphone socket is made of high quality material and can last long. It adopts plug-style design, which can reduce the damage or winding when inserting the rod into the socket, so as to maintain the healthy state of the socket. All in all, the PJ-213M headphone jack is a very practical and versatile audio jack. It is widely used in a variety of different devices, can meet the different needs of users. The transmission quality is very stable, the sound is pure and clear, while the structure is strong enough to last a long time.Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products The PJ-213M headphone jack is a universal audio jack commonly used to connect headphones or other audio devices to a variety of different devices, such as phones, tablets, TVS and computers.