In-Depth Product Review: White Noise Generators (aka Sound Generators, Sound Machines): Marpac Sleepmate/Sound Screen 580A 980A DOHM-SS DOHM-DS and Alternative Sleep Aids
Marpac Hushh Portable White Noise Machine for Baby | 3 Soothing, Natural Sounds with Volume Control | Compact for On-the-Go Use & Travel | USB Rechargeable | Baby-Safe Clip & Child Lock :