Rechargeable Sound Machine has features cricket sound, bickering, white noise, wave sound, birdsong, waterfall, and 3 lullabies so that you can choose sounds according to your preferences.
This Noise Machine builds a calm environment for you to fall asleep quickly and rest completely. This sound sleep machine is space-saving and convenient to carry with you when you are traveling or camping.
Our USB Rechargeable Timed not only masks noise improves sleep quality, but also is suitable for use at home, in the office, in a dorm, in a baby kindergarten, or anywhere you want. It features a built-in lithium battery and USB charging.
USB Rechargeable Machine can be used continuously for 36 hours for a full charge, and this good guide whether when you are sleeping, taking nap, relaxing, meditation, concentrating while studying, or working.