Slang: bells and whistles

bells and whistles

Definition: Excessive or unnecessary features on something; showy or flashy parts.
Example: 1) My father bought a new computer with all the bells and whistles. I think it even makes toast.

2) I like the original model, without all the bells and whistles the second version has.
Etymology: 'Bells' and 'whistles' make noise and attract attention, but they are not a necessary part of most things.

Synonyms: frills, extras