USB-powered cloud rain air humidifier and essential oil diffuser with colourful mood lighting, 500ml water tank capacity, quiet operation below 36dB, white or black plastic housing, 161mm x 161mm x 240mm size for bedroom, office, or travel use.
Cloud Rain USB Humidifier and Essential Oil Diffuser with 500ml Tank and Colourful Lighting

This versatile tabletop appliance serves a dual function, combining the practical benefits of an ultrasonic humidifier with the sensory appeal of an essential oil diffuser. Operating via a standard USB connection, it is designed for easy use in multiple settings, from the bedroom to the office. The unit adds moisture to dry air while allowing you to introduce your favourite aromatherapy scents, creating a personalised environment. Its key features include a substantial 500ml water capacity, a selection of colourful mood lighting, and operation quiet enough—under 36dB—to support relaxation or sleep. The inclusion of a simulated rain sound provides a layer of ambient white noise.
Features and Construction

This humidifier-diffuser is built around straightforward functionality and user-controlled customisation. Its design prioritises simple mechanical operation with distinct physical buttons for its various modes.
Material and Build
The housing is constructed from plastic, making the unit lightweight and portable for use on various surfaces like nightstands, desks, or side tables. The build incorporates an ultrasonic mechanism to generate a cool mist, which also acts as the carrier for any added essential oil vapours. The construction includes internal safeguards, most notably an automatic shut-off function that activates when the water reservoir is low, protecting the unit's components from running dry.
Size and Practical Fit
The product's dimensions are 161mm wide by 161mm deep by 240mm tall, a compact form factor that doesn't occupy excessive desk or shelf space. The 500ml water tank capacity balances size with utility, offering a longer runtime than smaller-capacity models before a refill is needed. This size makes it suitable for personal spaces or small to medium-sized rooms, including bedrooms, home offices, hotel rooms, or spa treatment areas.
Uses and Placement

The device's dual functionality and portable nature allow it to serve in both dedicated wellness settings and everyday environments. Its application is broad, defined by the user's choice to use it for humidification, aromatherapy, or both.
Event or Professional Use
In professional or commercial settings such as spa treatment rooms, hotel lounges, conference areas, or restaurant waiting spaces, the unit can discreetly improve air quality and ambiance. The humidification function can combat dry air from air conditioning or heating systems, while the diffuser can disperse subtle, calming scents. The colourful lighting modes can be set to a single hue to match a room's decor or create a specific atmosphere, supporting a branded or thematic environment.
Everyday Home Use
For daily home use, it is particularly suited for the bedroom, where its quiet sub-36dB operation and optional rain sound can contribute to a sleep-conducive environment. The humidifier can alleviate dryness that may cause irritation, while the diffuser allows for personalised aromatherapy sessions with oils chosen for relaxation or focus. In a home office or study, it can provide a background ambiance that helps demarcate a workspace. Its USB power also makes it a practical companion for travel or camping where standard mains power might be limited.
Benefits and Buying Value

The value of this product lies in its combination of two common wellness appliances into a single, space-saving unit with user-friendly controls and added aesthetic features.
Reuse and Low Maintenance
The unit is designed for ongoing reuse with minimal maintenance required. The primary upkeep involves regularly filling the tank with clean water and occasionally cleaning the reservoir to prevent mineral buildup, a common practice for ultrasonic humidifiers. The essential oil diffuser function uses the same water and mist mechanism, meaning no separate parts or complex switching is needed. The automatic shut-off provides a safety net against forgetfulness, potentially extending the product's functional lifespan by preventing dry-run damage.
Why Choose This Product
This humidifier-diffuser stands out for its specific set of integrated features: the 500ml tank offers a practical balance of capacity and size, the colourful lighting adds a customisable visual element, and the inclusion of both humidification and oil diffusion addresses two needs with one device. The mechanical buttons provide tangible, simple control without reliance on digital menus or apps. For someone seeking a multifunctional device to improve room atmosphere through moisture, scent, and light, without a complex setup, this product provides a consolidated solution. Its USB power option adds flexibility for use in different locations, including with portable power banks.



