USB mini humidifier for home, car, and office, compact 300ml water tank portable desktop humidifier with 2W power and 6-hour runtime, fireworks design humidifier in white, pink, or green colour
USB-Powered Mini Humidifier with 300ml Tank for Desks and Cars

This compact humidifier addresses dry air in small personal spaces using minimal power and a straightforward design. Operating from any standard 5V USB port, it provides up to six hours of moisture output from its 300ml integrated water tank. The unit's 75mm by 75mm by 116mm dimensions make it suitable for placement on office desks, bedside tables, or car dashboards where larger humidifiers would be impractical. With a mist output adjustable between 30-50ml per hour, it focuses on improving air comfort in your immediate vicinity rather than attempting to humidity entire rooms. The construction utilises ABS and PP plastics housing electronic components to create a lightweight, portable unit that prioritises basic function over complex features.
Features and Construction

The humidifier's design centres on portability and simple operation with commonly available USB power sources. All functional aspects derive from the provided specifications, focusing on what the unit can practically achieve within its compact form.
Material and Build
Constructed primarily from ABS plastic, the humidifier casing provides a rigid structure that houses the internal components. PP (polypropylene) plastic is used for specific parts, likely including the 300ml water tank due to this material's compatibility with holding liquids. Electronic components manage the mist generation system, operating at 5V DC with a 400mA current draw. The material selection indicates a focus on cost-effective manufacturing for a basic humidification device rather than premium finishes or complex mechanisms.
Size and Practical Fit
With dimensions of 75mm by 75mm by 116mm, the humidifier occupies minimal surface area, comparable to a large coffee mug. This compact size allows placement in spaces where larger units would be impractical, such as on crowded office desks, narrow bedside tables, or car centre consoles. The small footprint combined with the 300ml water tank capacity represents a balance between runtime and spatial requirements, offering several hours of use without demanding significant counter space.
Uses and Placement

The humidifier's compact size and USB power source enable use in various environments where traditional plug-in humidifiers are unsuitable. Its practical applications focus on personal space humidification rather than whole-room coverage.
Event or Professional Use
In professional settings, the humidifier can help mitigate dry air around individual workstations in offices with air conditioning or heating systems that reduce humidity. Trade show exhibitors might use it at small booths to improve comfort in typically dry convention centre environments. Therapists or aestheticians could place it in treatment rooms where client comfort during procedures is important, though its output is limited to immediate vicinity humidification.
Everyday Home Use
At home, the unit serves as a bedside humidifier for single sleepers wanting localized moisture overnight, powered by a USB wall adapter or power bank. It functions as a desk humidifier for home offices or study areas, particularly useful during winter months when heating systems create dry conditions. Car owners can use it during long drives by connecting to the vehicle's USB port, though secure placement is essential while the vehicle is in motion. The six-hour runtime covers a full night's sleep or typical workday when refilled midway.
Benefits and Buying Value

The humidifier provides specific advantages tied directly to its documented specifications rather than invented performance claims. These benefits centre around its practical application in scenarios where larger units are unsuitable.
Reuse and Low Maintenance
The humidifier offers repeat use through its refillable 300ml water tank design, avoiding disposable cartridge systems. With only plastic components contacting water and no complex filter systems, maintenance involves simple rinsing and occasional descaling if mineral deposits form. The 2W power consumption represents minimal energy use compared to standard plug-in humidifiers, particularly relevant for continuous operation scenarios. USB power compatibility means it can operate from existing power banks during travel or power outages when traditional outlets are unavailable.
Why Choose This Product
This humidifier suits users needing compact moisture addition for personal spaces without the bulk, complexity, or power requirements of larger units. The documented 300ml capacity and six-hour runtime provide measurable performance parameters for comparing against other mini humidifiers. USB operation offers flexibility for use in vehicles, with laptops, or with portable power banks where standard electrical outlets are inaccessible. The small 75mm by 75mm footprint makes it one of the more space-efficient options for truly cramped surfaces where every centimetre matters.



