

Right haptics connector receptacle.
You can repair it by soldering the wires: https://www.reddit.com/r/SteamDeck/comments/1et2pxh/learned_how_to_solder_and_repaired_my_broken/
The connector receptacle can be bought separately, it’s a standard one, probably Pico EZmate. Measure whether the pitch is 1.0 or 1.27 mm so you have the correct one.
A bit late to be an earphone cargo cult