The power of quiet…on the go. You or your child will sleep better and focus better with this sleek and light white noise machine. So easy to use – one-touch and you will be surrounded by rain sounds, ocean sounds, and many more (36 sounds in total). These peace-inducing sounds mask background noises so you sleep better (or focus better). Leave the sound on all night or use the optional timer that can be set for 30, 60 or 120 minutes. Excellent for travel. Powered by rechargeable battery or USB cord (included). Excellent for new parents – put your baby to sleep anywhere. If it’s time to sleep – mask background noises like barking dogs and snoring. If you’re looking for focus - mask private conversations.