The white noise machine features 8 built-in sound effects: Sleeping Music, Thunder, Bowl Healing, Wave & Seagulls, Bonfire, Creek, Frog, and Bird Singing. These sounds can be played individually or combined to create personalized soundscapes. The device includes an aromatherapy diffuser with a 200 mL water tank, providing up to 8 hours of continuous operation. Essential oils may be added to enhance the ambient experience. Do not fill water above the maximum level line. A dual-layer night light system offers a soft upper light emitted through the mist outlet, creating a gentle, flame-like glow, and a warm lower night light for added ambiance. Combined with sound output, it supports relaxation, sleep, and focus. The unit includes a built-in speaker. In addition to the 8 preset sounds, it supports Bluetooth or auxiliary audio input for playing music or podcasts from external devices. It features a USB-C power connection (cable included) for convenient plug-and-play operation. Controls are intuitive and easy to use. Color: White Material: Plastic Package Includes: 1 x White Noise Sound Machine 1 x USB Cable Note: Color appearance may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.