Calming Natural Sounds: Enjoy 16 types of natural sounds including white noise, pink noise, fan sound, rain, thunderstorm, forest, cricket, waves, streams, and heartbeat to create a soothing auditory experience. Timer and Memory Function: Choose from three timer settings—30 minutes, 60 minutes, or continuous playback. The device automatically powers off when the timer ends or continues looping until manually turned off. Upon restart, it resumes with the last used sound and volume level. Great Sleeping Companion: This sound machine helps mask background noise, promoting relaxation for babies and supporting better sleep for adults. Soft, natural sounds foster a calm and restful sleeping environment. Portable and Compact: Lightweight and compact design makes it ideal for use at home, in the office, or while traveling. Take it with you to enjoy comforting sounds wherever you go.