Six professional quality authentic nature sounds: Ocean Surf, Stream, Rain, White Noise, Summer Night and Wind.
World’s only sound card technology for adding more sounds. Includes the Sound Oasis Wilderness Journey Sound card with 6 additional peaceful outdoor sounds. Additional sound cards available separately.
Four position auto shut off timer: play sound continuously or gentle auto shutoff after 30, 60 or 90 minutes. Memory button repeats last sound experience.