Headsets, Headphones, Handsfree - mobile phones and other equipment  > Lenovo pinouts
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.

4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
at the audio cable
According to 15 reports in our database (14 positive and 1 negative) this pinout should be correct.

Is this pinout
Lenovo Thinkpad Edge & X Series Notebook audio visual pinout:
Lenovo Thinkpad Edge & X Series Notebook audio diagram
click to enlarge
This page contain parts under Copyright © 2000-2018 by pinouts.ru team.
No portion of this webpage may be reproduced in any form without providing visible HTML link to pinoutguide.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.