Plug
Pin | Signal | Description |
1 (Tip) | Left ear | White |
2 (Ring 1) | Right ear | Red |
3 (Ring 2) | Mic/Switch 1 (Answer Call) | Blue |
4 (Sleeve) | Ground | Copper |
not drawn (Outer Sleeve Ring) | Switch 2 (End Call) |
Pin | Signal | Description |
1 (Tip) | Left ear | White |
2 (Ring 1) | Right ear | Red |
3 (Ring 2) | Mic/Switch 1 (Answer Call) | Blue |
4 (Sleeve) | Ground | Copper |
not drawn (Outer Sleeve Ring) | Switch 2 (End Call) |