Serene Evolution White Noise Sound Machine - 36 Sound Options and USB Rechargeable - Travel White Noise Machine for Sleeping Adults - Compact Device with Rain, Fan, Ocean, Nature Sounds Perfect for Adults, Travelers, and Light Sleepers: Whether you?re at home, traveling, or adjusting to a new sleep routine, this white noise sound machine is easy to use and fits your lifestyle needs Use It at Home, Work, or On the Go: This compact sound machine for sleep fits easily on nightstands, desks, or in travel bags; use in bedrooms, nurseries, or offices to support restful routines Rechargeable with Customizable Features: This sound machine for sleeping adults comes with a USB cable, internal battery, and 30, 60, 120-minute or continuous play timer for simple sleep support Soothing Sounds to Block Distractions: This white noise and rain sound machine helps reduce distractions like traffic, snoring, or barking by playing relaxing rain, fan, and ocean sounds at night Packed with 36 Soothing Audio Options: This compact sound machine includes fan, thunder, birds, ocean, forest, and other calming sounds that let you personalize your rest or relaxation space