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. Stable plug and plug of headphone - pj-3101 Headphone socket has stable plug and plug performance of headphone. After plugging into the device, there will be no bad contact or loose situation, to ensure the stability of signal transmission, avoid noise and other problems affecting users. 7. Good durability - pj-3101 headphone socket uses high-quality materials, wear resistance, folding resistance and high temperature resistance are very good, can be durable use, reduce the number of replacement, reduce maintenance costs. 8. Strong interchangeability - pj-3101 headphone socket adopts the universal 3.5mm interface design, which is compatible with most headphones and audio equipment, and has good interchangeability. Users do not need to worry about the matching problems of equipment, reducing the cost of buying additional accessories. 9. Beautiful appearance - pj-3101 headphone socket adopts exquisite design appearance, smooth and moist surface, good hand feel, smooth appearance outline, fashion sense and beauty, showing high quality manufacturing technology and quality assurance.Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products For mobile phone users, the pj-3101 headphone socket is essential as it helps users connect wired headphones to their phones for a high-quality audio experience. In addition, the socket allows users to use a wired headset while talking, for more stable and clear calls. For audio lovers, the pj-3101 headphone socket can help them connect audio devices such as computers or mobile phones to their audio, achieving better sound effects and creating high-quality music enjoyment. In addition, the socket can also help users connect peripherals such as headphones and microphones, expand audio input and output functions, and improve audio effects and recording efficiency. In the TV field, the pj-3101 headphone socket can help users connect headphones, audio devices and other audio devices to the TV, so as to achieve better sound effects and enhance the TV viewing experience. In addition, the socket will also allow users to use the headset on the TV without affecting the rest and sleep of the family.