PERFECTLY PRACTICAL: This sleep speaker is eminently practical in that it's rechargeable and portable. It's also app controlled so it's the perfect sleep sound machine to take with you when you travel..NIGHT LIGHT: This unit also comes with a night light, to make it easier for you to see in the dark and to adjust your eyes after the change from light to darkness. This is especially helpful when traveling and staying in unfamiliar locations.BLUETOOTH SPEAKER: Stream your fave music or white noise sounds from your other devices - phone or tablet - via Bluetooth so that you'll always have comforting music or sounds when it's time to sleep.FULLY ADJUSTABLE: Adjustable noise levels and lighting intensity make it suitable for even the lightest sleepers and perfect for all ages.MORE RESTFUL SLEEP: Enjoy a more restful, and productive sleep with the help of Sealy Bluetooth Sleep Speakers.