Nokia smartphone headset handsfree

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connector or cable wiring scheme Nokia Smartphone 2.5 mm headset connector

4 pin 3.5mm (2.5mm) plug connector layout 4 pin 3.5mm (2.5mm) plug connector at the Nokia headset cable

Name Pin Description
1 Left Audio Left
2 Right Audio Right
3 Mic Mic
4 Ground Ground


  • Pin 3 used for both Mic and C-video (multiplexed) in Nokia N95


Category:Cellular Phones Connectors


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