The LectroFan from Adaptive Sound Technologies is designed to help you get a good night`s sleep by generating dynamic realistic sounds to drown out any unwanted or intrusive noises. It is able to mask common noises such as street noise, noisy neighbors, televisions, and tinnitus ringing, or it soundproofs rooms for speech privacy, studying, or reading. PRODUCT HIGHLIGHTS • Masks unwanted noise pollution allowing you to get natural, restful sleep• 10 non-repeating unique fan sounds • 10 non-repeating unique white noise sounds • Provides speech privacy to protect conversations and helps provide better concentration when reading or studying • Multi-level adjustable volume and 60-minute sleep timer • Powered via the USB port on the computer or USB/AC adapter (included) • Multi-band parametric EQ speaker compensation • Small transportable size and great for travel LectroFan – Fan Sound and White Noise Machine and AC Adaptor Service and Support/Warranty: 24 Months Main Color: Black Bluetooth Capable: No Product Height (cm): 10 Product Width (cm): 5.5