Easy to use: The headphone jack plugs directly into a TRRS microphone and is ready for use when connected to a device. The microphone jack is a line-level input and is used to connect a preamplifier, such as a mixer or sound card. Superior Sound Quality: Built-in high-quality smart chip ensures excellent sound quality as well as a stable and reliable connection. It works with most live streaming and music apps such as Twitch, TikTok, YouTube, and more. Headphone to Microphone Adapter: This adapter offers an audio headphone jack for 3.5mm headphones or with TRRS plug, a 3.5mm line-level input microphone jack, and a charging port for charging while using audio devices. Plug and Play: Simple plug-and-play functionality, no app or network required. Compatible with iOS devices with headphone jack, such as iPhone 14, 13, 12, 11, XS, XR, X, 8, 7, and devices with charging port, such as iPad Pro, iPad Mini. Fast Charging: Our microphone and audio jack adapter is designed with 2.4A fast charging function, ensuring your device stays charged, ideal for long journeys, flights, or extended listening sessions.