The PJ-201M Headphone socket is a standard 3.5mm headphone socket with the following features: 1. Wide compatibility: The PJ-201M headphone socket is the most common type on the market and can be used by almost all devices such as smartphones, tablets, MP3 players, TVS, computers, etc. 2. High-quality audio: PJ-201M headphone socket can not only transmit high-quality music signals, but also provide excellent audio output effect. With the PJ-201M jack, you can enjoy sharper, more realistic sound quality. 3. Convenient and practical: The PJ-201M jack can be easily inserted into headphones or connected to other devices. In addition, it is relatively durable, can withstand long use and frequent plug and pull, and is not prone to damage. 4. Simple maintenance: Maintenance of the PJ-201M jack is also relatively simple, just need to plug the earphone into the jack. If problems occur during use, you can check the cable and contact points to ensure proper operation. To sum up, the PJ-201M headphone jack is a widely used standard jack with excellent sound quality, practicality, and easy repair and replacement. If you want to purchase headphones or other devices, you may prefer products with the PJ-201M jack.Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products PJ-201M products can be found on almost any mobile audio device, providing you with a wider range of choices and experience. Whether you are using a smartphone, tablet, MP3 player, TV, computer and other devices, it can interface. Excellent sound quality: With the PJ-201M headphone socket, you can experience clearer and more real sound quality output. Compared to other headphone jacks on the market, the PJ-201M jack supports high fidelity audio transmission, stable and efficient operation, and brings excellent listening sensation.