I do not know how come my Mac Mini is with Bose headphone Speakers

Yesterday, i come to notice that my mac mini was turn on with Bose Headphone Speakers. I do not know how or what is happening with my macos 11.1.

As I do not own any Headphone speakers at all.
I do not know how come my Mac Mini is with Bose headphone Speakers
 
 
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