20pcs 3.5mm Plug Jack Stereo TRRS Headset Audio Socket Breakout Board Extension Module

Features: Name: Audio breakout board 1. TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boards. 2. TRRS stands for "Tip, Ring, Ring, Sleeve," which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground. 3. Some devices use the extra conductor for a microphone (like hands-free headsets) or to carry a video signal (like in some MP3/MP4 players). 4. Mini design, portable and easy to use 5. Size: Approx 1.7*1.2cm / 0.6*0.5 inch 6. Material: Plastic + metal Package included: 20 x Audio breakout with pins