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. High fidelity sound quality: The PJ-204 headphone jack uses high fidelity technology to ensure the details and facsimile degree of audio transmission, so that you can hear more real music sounds. 7. Stable and reliable: PJ-204 headphone jack is made of metal material, making it more stable and reliable. Even if you frequently plug and unplug operation, do not worry about its easy damage or cause audio signal interruption. 8. Light and portable: The PJ-204 headphone jack is designed to be very compact and the right size. This design enables it not only to provide high-quality audio transmission, but also to be very easy to carry and store. 9. Energy Saving and Environmental protection: The PJ-204 headphone jack consumes very little power, so it can contribute to the power management of the device, making the battery life of the device longer.Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products Suitable for a variety of smart phones, tablets, MP3 players and other mobile devices, as well as headphones amplifier, audio decoder, audio processor and other audio devices. The PJ-204 also brings more realistic sound effects to gaming devices to improve the gaming experience. The PJ-204 headphone socket can bring you a better music experience, whether in everyday life or professional use. All in all, PJ-204 is a cost-effective headphone jack with clear sound quality, reliable connection, convenient portability, energy saving and environmental protection. It provides excellent headphone jack support for various audio devices, making it a rare audio accessory.