The PJ-307D is a high-quality headphone jack for a wide range of devices and headphones. It uses superb workmanship and materials to ensure stability and durability. In the process of use, the operation is simple and practical, not only to provide a comfortable audio experience, but also to bring convenience and efficiency for users. Product compatibility is wide, support 3.5mm and 2.5mm standard audio plug, can withstand 1A current, provide stable power support. The PJ-307D also features anti-static and anti-oxidation treatments to protect equipment and stabilize audio output. At the same time, its compact and lightweight appearance design is very simple and beautiful, beautiful and generous.Mobile stereo, earphones, CD players, wireless phones, MP3 players, DVDS, digital products In the process of use, the operation is simple, convenient and practical, not only can provide a comfortable audio experience, but also can bring convenience and efficiency for users. All in all, the PJ-307D provides consumers with a high-quality, stable and versatile headphone jack that has gained widespread acclaim and trust for its exceptional appearance and functionality.