White Noise Diffuser, Aroma Diffuser, Humidifier The white noise machine features 8 different sound effects that can be played individually or together, depending on your personal preference. This allows you to freely customize your favorite sound combinations. The 8 sound effects are: sleep music, thunder, healing shells, waves and seagulls, campfire, brook, and frog and bird songs. Aromatherapy Diffuser Machine: With a 200ml water tank capacity, the aroma diffuser can run continuously for up to 8 hours. You can also add your favorite essential oil to enhance the ambiance around you. Please note: It is important not to overfill the water beyond the maximum fill line. Cozy Night Light Modes: The soft upper light emitted by the diffuser creates a vibrant, flame-like, romantic atmosphere, while the warm night light below helps to enhance it. Along with the enabled background noise, all of this provides a great companion for sleep and work. Built-in speaker: In addition to the 8 white noise effects that come with the aroma diffuser itself, you can also connect the machine to your own device and play your favorite music or podcast to help you unwind! It also makes an excellent gift for friends or family. Efficient plug-in design: No more worrying about running out of power! The white noise sleep machine is plug-and-play via a USB-C cable (included). The intuitive button controls allow for easy and effortless operation. Color: White. Material: Plastic. Package contents: 2 x White Noise Sound Machine, 2 x USB cables. Only the above package contents are included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.