USB powered small humidifier with 300ml water tank capacity for home office car use compact portable 75mm x 75mm x 116mm size white pink green colour ABS PP construction quiet 2W operation 6 hour runtime
USB Mini Humidifier with 300ml Tank for Compact Home, Office and Car Use

Addressing dry air in personal spaces doesn't require a large, cumbersome appliance. This USB-powered mini humidifier is designed for targeted moisture delivery in rooms, on desks, or even during travel. Its core strength lies in a practical balance of capacity and size: a 300ml water tank offers a useful runtime while the 75mm x 75mm x 116mm footprint ensures it stays unobtrusive. Operating on just 2W of power, it draws minimal electricity and can be powered from almost any USB port, making it an efficient and versatile choice for improving air comfort where you need it most.
Features and Construction

This humidifier combines simple functionality with a durable build. Its design prioritises ease of use and reliable operation in everyday environments, from a bedside table to a car interior.
Material and Build
The humidifier's housing is constructed from ABS and PP plastics. ABS provides a sturdy outer shell that resists everyday knocks, while PP is often used for components in contact with water due to its resistance to corrosion. This material choice results in a lightweight yet robust unit. The internal electronic components manage the low 2W power draw and control the misting function, ensuring quiet operation that won't disturb work or sleep.
Size and Practical Fit
With dimensions of 75mm in width and depth and 116mm in height, this humidifier has a genuinely compact form. This size allows it to occupy minimal space on a crowded desk, a narrow bedside shelf, or a car dashboard without becoming a obstruction. The 300ml water tank capacity is proportionate to its size, designed to provide effective moisture output—between 30 and 50ml per hour—for a period of around 6 hours before needing a refill, which covers a typical workday or night's sleep.
Uses and Placement

The product's USB power and portable design open up several specific use cases beyond general room humidification. It is suited for both regular daily use and more mobile scenarios.
Event or Professional Use
For professionals, this humidifier can mitigate dry air caused by office air conditioning or heating systems. Placing it on a desk can help prevent dry skin, irritated eyes, or a scratchy throat during long hours at a computer. Its quiet operation ensures it doesn't disrupt phone calls or concentration. The availability in white, pink, and green also allows for some subtle personalisation of the workspace to match decor or preference.
Everyday Home Use
In the home, it is an ideal solution for small to medium-sized bedrooms, nurseries, or studies. The approximately 6-hour runtime is well-suited for overnight use, and the unit can be easily refilled in the morning. Its portability means it can be moved from a home office desk during the day to a bedside table at night. The option to power it from a USB wall adapter, power bank, or even a car socket also makes it useful for improving air comfort during long road trips.
Benefits and Buying Value

The value of this humidifier stems from its targeted functionality, low running costs, and straightforward operation. It solves a specific problem without unnecessary complexity or expense.
Reuse and Low Maintenance
The design facilitates simple maintenance. The water tank is refillable, and the use of common plastics means the unit can be wiped clean with a damp cloth. Operating at only 2W, its energy consumption is negligible compared to standard household appliances, allowing for continuous use without concern for electricity costs. The standard USB power connection means the included cable can be easily replaced if lost or damaged, and the unit remains compatible with future power sources.
Why Choose This Product
This humidifier is a practical choice for anyone needing to add moisture to a defined personal space rather than an entire large room. Its clear advantages are its portable size, efficient USB power option, and substantial 6-hour runtime from a 300ml tank. When compared to generic alternatives, its specified dimensions, exact capacity, and stated material construction provide concrete information for making an informed purchase decision based on fit and function, not just general claims.



