2.54 mm header, 2-pin male

Two-way pin strip on 0.1 inch pitch.

Contacts

Position	Name
1	pin-1
2	pin-2

What it mates with

Mating is directional, so the two lists below are genuinely different: a TS plug in a TRS socket and a TRS plug in a TS socket short different things.

2.54 mm header, 2-pin male used as the plug

Full fit

2.54 mm header, 2-pin female

2.54 mm header, 2-pin male used as the receptacle

Nothing recorded with this connector as the receptacle.