The Yogasleep Travel Mini Sound Machine combines robust white noise options and a night light in one sleek and lightweight pocket-sized device, ready for travel anywhere. No larger than the palm of your hand, the Travel Mini features a USB rechargeable battery and lanyard, making it perfect for at-home usage in your bedroom or nursery, travel, and on-the-go. 6 Sounds: White Noise, Brown Noise, Signature Dohm, Stream, Gentle Surf Volume Control Gentle Amber LED Night Light USB-Rechargeable Included Lanyard This sound machine is intended for portable use and must be turned off and unplugged every 14 days