It is etiquette sound reproduction application in the restroom.The kind of the sound has nine kinds of the "toilet" "river" "wave" "magic gun" "bird" "magic" "machine sound" "bugs" "siren".In addition, I can regenerate in combination plural sounds at the same time because reproduction is possible.By a timer function, the setting of the reproduction time is possible, too!Because there is the record and playback function, I record favorite music and repeat it and can regenerate it.