4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
at the audio cable
The newer lenovo laptops like Thinkpad Edge 15, Edge E320 and X121e have only one 3,5mm 4 pin port for earphones and microphone.
1 L  Left
2 R  Right
3 G  Ground
4 M  Mic

Compatible with a ipad/iphone earphone.

Is this document correct or incorrect?.
There are 13 reports in our database: 12 positive and 1 negative.
PinoutsGuide.com > Headsets, Headphones, Handsfree - pinouts of mobile phones and other equipment  > Pinout of Lenovo Thinkpad EDGE Notebook audio
This page contain parts under Copyright © 2000-2014 by pinouts.ru team.
No portion of this webpage may be reproduced in any form without providing visible HTML link to PinoutsGuide.com . Webmaster permission required in any other cases.
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.