【Versatile Sleep Aid】Combines white noise generation with ambient lighting to create an optimal sleep environment, promoting relaxation and better sleep quality. 【Customizable Lighting】Features 15 selectable color options with touch-controlled brightness adjustment, allowing personalized illumination to suit your mood and preferences. 【Long-lasting Battery Life】Equipped with a high-capacity built-in battery that provides up to 8 hours of continuous operation on a single charge, ensuring uninterrupted use throughout the night. 【Convenient Timer Function】Includes a timer feature for auto-shutoff and a memory function, enhancing ease of use and energy efficiency. 【Private Listening Option】Integrated 3.5mm headphone jack allows for personal, undisturbed listening experience without disturbing others. 【Quick Charging】Supports USB charging with a rapid 1-2 hour charging time, ensuring the device is ready when you need it. Specifications: Model Number: MBZ-085 Battery Capacity: 2000mAh Operating Time: 8-12 hours Charging Method: USB charging Functions: Timer, Music playback Display: No screen