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. Smooth plug: The plug design of PJ-313E is very simple and practical. Users can connect the audio output device by simply plugging it in, and it is also convenient to pull it out. 7. High fidelity sound quality: PJ-313E has high fidelity transmission technology, reduce noise and interference, ensure the sound quality is pure and clear, so that users can better listen to music and sound. 8. Strong durability: PJ-313E is made of durable materials, has a long service life, and can withstand the test of frequent plugging and repeated connection. 9. Exquisite appearance: PJ-313E is simple and beautiful in appearance, in line with modern aesthetic requirements, and can be well matched with audio equipment, so that users have a better visual experience. In conclusion, the PJ-313E is a high-performance headphone socket with outstanding features and functions in terms of device compatibility, smooth plugging, high fidelity sound quality, durability and beautiful appearance, which is suitable for a wide range of audio output devices, providing users with a better music and sound experience.Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products Good device compatibility: The PJ-313E supports different types of devices, such as mobile phones, tablets, laptops and MP3s, which can meet the requirements of different usage scenarios. The PJ-313E headphone socket is a very practical audio connector with the advantages of high-speed transmission, full platform compatibility, easy plug and pull, high fidelity sound quality and strong durability, which has been widely recognized and used.