The PJ-202 is a 3.5mm headphone socket used in a wide variety of traditional headphones and headphone microphones with the following features: 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. Broad applicability: The PJ-202 is the most common headphone jack in the IX polymer family due to its extensive use in many audio devices, including smartphones, MP3 airplane modes, televisions, tablets, and more. Its versatility allows you to use it in a variety of devices. 7. Excellent audio performance: The PJ-202 uses hi-fi technology to deliver a clearer and more realistic audio experience. Compared to other headphone jacks, the PJ-202's headphone jack supports hi-fi audio transmission, making the sound more delicate and clear. 8. Convenient and easy to use: PJ-202 adopts convenient pluggable design, and most devices can be connected through one step. The connection is stable and the service life is long, which may be one of the reasons why many enthusiasts choose it. 9. Energy saving and environmental protection: Compared with other headphone jacks, PJ-202 has lower power consumption, which means it can better save power and meet people's environmental requirements. So, if you use the PJ-202, you can not only enjoy the great audio experience, but also do your part to save energy. Overall, the PJ-202 is a high performance, widely available headphone jack. It strives for a high quality audio experience while being simple and easy to use. If you are looking for a superior headphone jack, the PJ-202 will not disappoint.Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products