Feature:1. 14 WHITE NOISE OPTIONS: With 14 soothing sounds, this sleep machine allows you to drift off to sleep surrounded by the calming sounds of nature, creating a peaceful ambiance that helps relax your mind.2. 3 TIMED SHUTDOWN SETTINGS: Enjoy relaxation with an easy to use timer; simply long press the M key to select your preferred shutdown time, allowing the machine to automatically turn off after you've drifted to sleep.3. QUALITY BLUETOOTH CHIP: Equipped with a premium Bluetooth 5.4 chip, this machine delivers fast and stable connectivity with low latency and low power consumption, ensuring crystal clear sound quality for your listening pleasure.4. LONG LASTING 1000mAh BATTERY: The powerful 1000mAh built in battery provides extended playtime, freeing you from the constraints of power cords and allowing nature's sounds to accompany you in any setting, day or night.5. BREATHING LIGHT DESIGN: Featuring a gradient warm light for a relaxing ambiance, the breathing light effect at the bottom helps you find inner peace, synchronizing with your breath for a calming and serene environment.Specification:Item Type: White Noise MachineMaterial: ABSBluetooth: 5.4Built in Polymer Lithium ion Battery: 1000mAhPower: 5W.Package List:1 x White Noise Machine1 x User Manual1 x Charging Cable