12 Hours of White Noise (Static) in Stereo. Favorite it for the future. Studying Sleep Tinnitus

12 hrs of white noise (static) with one min fade-in with one minute fade-out. Left and best channels are completely independent. White sound has a multitude of usages, see. Preferred it for the future. Appreciate! 12 Horas de ruido blanco (estático) en estéreo. 12 Heures de bruit blanc (statique) en stéréo.
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