Gotcha, I didn't know the names off-hand but turns out this doc I'd read does have them specified[https://source.android.com/docs/core/interaction/accessories/h

Gotcha, I didn't know the names off-hand but turns out this doc I'd read does have them specified[https://source.android.com/docs/core/interaction/accessories/headset/jack-headset-spec https://source.android.com/docs/core/interaction/accessories...]. I don't have any Apple products so definitely something that flew under my radar.