As nouns the difference between headsets and headphone
is that headsets is while headphone is a listening device placed or worn in the ear, usually sold in pairs.
headphone
English
Noun
(
en noun)
A listening device placed or worn in the ear, usually sold in pairs
- She handed me one headphone so I could listen too.
Usage notes
Also used as a noun modifier: e.g. headphone plug, headphone socket.