Question USB C to AUX Adapter not working

Aug 19, 2025
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These are my headphones: Sennheiser CX 300 II Precision In-Ear Headphones 1.2 m Cable Length 3.5 mm Jack
This is the usbc-to-aux-adapter i bought so that i can listen to music with my samsung A33 phone:
Samsung USB Type-C to 3.5 mm Jack Adapter (Ee-UC10J) ASIN: ‎B07VC4QKNZ Model-number: EE-UC10JUWEGWW
Amazon link:

Music keeps playing over the phone instead of headphones, its just dissapointing.
Why does it not work? Can i fix it?

Would this one work instead?