bells and whistles

American  

Sometimes whistles and bells

plural noun

Informal.

1. features added to a product; special parts or functions; extras.

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bells and whistles British  

plural noun

1. additional features or accessories which are nonessential but very attractive

   my car has all the latest bells and whistles

2. additions, such as options or warranties, made to a financial product to increase its market appeal

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Etymology

Origin of bells and whistles

First recorded in 1970–75

Example Sentences

“This is the door to the ballroom,” he said, pointing to the future entrance to the $400 million addition to the White House, elaborating on all the bells and whistles the building will have.

From Slate • Apr. 30, 2026

Ultimately, large customers are going to develop some of their own bells and whistles, or cut seats.

From Barron's • Apr. 30, 2026

However, a horrendous first end - during which the Italians stole four points - left them chasing in front of a raucous home crowd armed with horns, bells and whistles.

From BBC • Feb. 13, 2026

I shut off all the bells and whistles.

From The Wall Street Journal • Oct. 21, 2025

If you find it a breeze to write a simple sentence, but start hyperventilating when a few bells and whistles are added, you’re not alone.

From "Woe Is I" by Patricia T. O'Conner