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 7.Excellent sound quality: The PJ-216 headphone socket uses high-quality conductor and interface technology to ensure high fidelity and clarity of audio transmission. It can effectively reduce noise, reduce interference, restore more real audio sound. 8.Easy to carry: The PJ-216 headphone socket is small and lightweight, making it very easy to carry. You can carry it anywhere in your pocket or bag, perfect for travel or office use. 9.Easy to use: The PJ-216 headphone socket is very simple to operate, just plug it into the headphone jack of your audio device. At the same time, it also has a certain protection function, which can provide better protection for the equipment. 10.Highly durable: The PJ-216 headphone socket is made of high-quality materials, which are resistant to fall, wear and damage, and can maintain high-quality audio transmission during long-term use. To sum up, the PJ-216 headphone socket is a highly compatible, high-performance, portable and durable audio interface, which is very suitable for use in travel, sports, office and other occasions. If you need a headphone socket with high-quality audio transmission, easy to carry and easy to operate, the PJ-216 headphone socket will be your best choice.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-216 Headphone socket is compatible with many different audio devices, such as mobile phones, laptops, tablets, audio players and more. As long as your device has a headphone jack, you can easily connect to the PJ-216 headphone socket. In a word, PJ-216 headphone socket is an excellent audio device with excellent sound quality, ease of use, noise reduction and other features, both music lovers and ordinary users can get a good music experience from it.