Rohm lets you take control of your sound environment — wherever you are — so you can live (or sleep) your very best life, uninterrupted. Rohm is rechargeable using a USB cable (included). Includes a lanyard for easy handling and hanging while traveling. 

• Blocks disruptive sounds for improved sleep and concentration 
• 3 Sounds: Bright White Noise, Deep White Noise, and Gentle Surf
• Perfect for travel and on-the-go use
• Includes a soft travel lanyard and a rechargeable USB cable (Power Adapter not included)
• Please Note: This sound machine is intended for portable use and must be turned off and unplugged every 14 days
• Dimensions: 3.75"W x 3.5"L x 1.75"H

Hear a sample :