CJMCU-TRRS 3.5mm Jack Audio MP3 Stereo Headphones Video Microphone Interface Module

The CJMCU-TRRS 3.5mm Breakout Board is a compact hardware module designed to easily route signals from a 4-conductor (TRRS) audio jack to a standard 0.1-inch (2.54mm) breadboard-friendly header. It allows microcontrollers or custom hardware setups to interface with standard smartphones, MP3 players, and headsets that carry stereo audio plus microphone or video signals.