noun
toilet sound device; electronic toilet sound player
A device installed in or placed near a toilet that plays a flushing sound or melody to mask embarrassing noises. Often referred to by the brand name 音姫 (Otohime).
See also: 音姫
このトイレにはトイレ用擬音装置が付いています。
This toilet is equipped with a toilet sound device.
When you press the button on the toilet sound device, a flushing sound plays.