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 include: 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 atmosphere. Note: Do not fill the water beyond the maximum level line. Night Light Modes: The top soft light projects a flame-like effect through the mist, creating a calming and romantic ambiance, while the bottom warm night light adds to the soothing atmosphere. Combined with background sound, it supports a restful sleep and focused work environment. Built-in Speaker: In addition to the 8 built-in white noise sounds, you can connect your personal device via audio input to play music or podcasts. This device makes a thoughtful gift for loved ones. Efficient Plug-in Design: The white noise machine operates via USB-C cable (included), offering a plug-and-play experience without battery worries. Simple button controls ensure easy operation. Color: White Material: Plastic Package Contents: 1 x White Noise Sound Machine 1 x USB Cable Note: Other items shown are not included. Note: Lighting and screen differences may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.