The white noise machine features 8 different sound effects that can be played individually or combined based on your preference, allowing you to customize your ideal sound environment. The 8 sound effects are: Sleeping Music, Thunder, Bowl Healing, Wave & Seagulls, Bonfire, Creek, Frog, and Bird Singing. Aromatherapy Diffuser Function: With a 200ML water tank, the diffuser provides up to 8 hours of continuous operation. You can add your favorite essential oil to enhance the surrounding ambiance. Note: Do not overfill the water beyond the maximum level line. Night Light Modes: The top soft light emits a gentle glow that mimics a flickering flame, creating a calming and romantic atmosphere. The bottom warm night light adds to the soothing effect. Combined with background sounds, it creates an ideal environment for sleep or focus. Built-in Speaker: In addition to the built-in sound options, you can connect your personal device via auxiliary input to play your preferred music or podcasts. This makes it a thoughtful gift for loved ones. Plug-in Design: This device is powered via USB-C (cable included), ensuring uninterrupted use. Simple button controls provide easy and intuitive operation. Color: White Material: Plastic Package Contents: 1 x White Noise Sound Machine 1 x USB Cable Note: Other items shown in images are not included. Note: Lighting and display differences may cause slight color variations between the product image and actual item. Measurement error allowed is +/- 1-3 cm.