kuulokkeella
Kuulokkeella is a Finnish term that translates to "with headphones" or "by headphone." It is not a standalone noun or a specific device but rather a grammatical case indicating the means or instrument by which something is heard or listened to. In essence, it specifies that the action of hearing or listening is being performed using headphones.
For example, in a sentence like "Kuuntelin musiikkia kuulokkeella" (I listened to music with headphones), the