Bells and Whistles

“Bells and whistles” is a colloquial term used to describe additional features, options, or extras that are not essential but are considered attractive or desirable. When referring to vehicles or other products, saying something has “all the bells and whistles” means it includes a wide range of optional or upgraded features beyond the basic or standard model. These features could include advanced technology, luxury amenities, enhanced performance capabilities, or aesthetic enhancements that make the product more appealing or functional.