Bells and whistles
WiktionaryText

Noun



  1. Extra features added for show rather than function; fancy additions or features.
    His new car has all the bells and whistles, but it doesn't move through traffic jams any faster.
    The bells and whistles do not impress me.
    I need a new phone, but I don’t want all those fancy bells and whistles on it!
 
x
OK