• 20 built-in sounds including white noise, fan, Dohm tones, lullabies, and meditations • Bluetooth speaker for music, podcasts, or custom sleep sounds • Adjustable amber night light for soft, sleep-friendly glow • Child lock prevents accidental changes • Battery lasts up to 20 hours; charges via USB or wirelessly • Optional sleep timer: 45, 90, or 8 hours • Water- and dust-resistant design with silicone travel strap