Biały szum - czarny ekran / zasypianie, nauka, skupienie 10 GODZIN

By popular request, we present one of our most soothing white noise sounds with a black screen. This relaxing white noise is great for helping you fall asleep, study or focus.

With a black screen, you'll gain darkness in your room while you sleep, saving battery life, reducing data consumption and not worrying about screen burn-in. Sometimes the key to relaxation is simplicity