Amazon's top-rated LectroFan EVO White Noise Machine features 22 sounds to help you sleep through noisy summer nights.

Amazon is having a sale on the Kipcush Night Light White Noise Sound Machine. The helpful device is currently 50% off, bringing the price down to $20.

Animation of the spatial near-field sound pressure as a function of frequency for the ARE. The ARE is shown in white with the sound-pressure level is shown using a heat colormap on a 20 dB scale.