helmutcheese
Headphoneus Supremus
Well, you mainly get Piston shape (older TWS now), Monitor shape like musicians have been wearing for decades (many of FiiO's wired models and Soundpeats H1) and then Shell shape which is bigger and most of it is outside your ear and the back surface can cause discomfort in larger ears (Free Bysd and FiiO FW5) and then the bane of existence Stem shape which has its own Pros and Cons.
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