3.5MM Audio Headphone Female Jack 4 Pin Dip Mornsun LM35-20B24 AC/DC 35W Enclosed Switching Power Supply and active community support

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3.5MM Audio Headphone Female Jack 4 Pin Dip Mornsun LM35-20B24 AC/DC 35W Enclosed Switching Power Supply and active community support3. 5MM Audio Headphone Female Jack 4 Pin Dip This is a Audio Jack 3. 5mm TRRS (SMD) 4Pcs. TRRS connectors are the audio style connectors that you see on some phones, MP3 players and development boards. 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. Some devices use the extra conductor for a microphone (like hands free headsets); or to carry a