The white noise machine is made of 8 different noise effects, which can be played individually or together based on your personal preference. Allowing you to freely customize your favorite sound combinations. The 8 sounds effects are: Sleeping Music, Thunder, Bowl Healing, Wave & Seagulls, Bonfire, Creek, Frog and Bird Singing. Aromatherapy Diffuser Machine: Having an 200ML water tank capacity, the aroma diffuser can last for up to 8 hours of continuous use. You can also add your favourite taste of essential oil so as to enhance the ambience around you. Please note: It is important not to fill in an excessive amount of water which beyond the max. level line. Cozy Night Light Modes: The upper soft light comes from the spray outlet with the mist and creates a vivid flame-like romantic atmosphere, while the underneath warm night light helps to strengthen it. Plus the turned on background noise, all these are offering you a good sleeping and working companion. Built-in Speaker: Apart from the 8 white noise effects that come with the aroma diffuser itself, you can also connect the machine with your own device and play your favourite music or podcast, enjoying the most out of your leisure time! Moreover, it is an excellent gift choice for you to make for your family or friends. Efficient Plug in Design: You don't have to worry about running out of power any more! The white noise machine for sleeping is plug-and-play through a USB-C cord (included in the package). The intuitive button control enables an easy and effortless operation. Colour:White Material:plastic Package Contents: 3 x White Noise Sound Machine 3 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.