Lithium battery USB rechargeable bedroom humidifier with 1.1L large capacity tank, 4000mAh power bank function, dual spray modes, quiet ultrasonic operation below 35dB, and adjustable colour lighting in green, grey, pink, or white
USB Rechargeable Bedroom Humidifier with 1.1L Tank, Power Bank Function, and Quiet Operation

This portable humidifier is designed for bedrooms and other personal spaces where dry air can cause discomfort. It combines practical humidity control with the convenience of cord-free operation, running for up to 16 hours on its integrated 4000mAh lithium-ion battery. The unit features a 1.1L water tank, multiple spray modes, and operates quietly using ultrasonic technology below 35 decibels. A notable additional function is its ability to act as a power bank, allowing you to charge smartphones or other USB devices. Available in green, grey, pink, or white, it has a modern, slim design complemented by adjustable colour lighting effects.
Features and Construction

This humidifier is built around key functionalities that support extended, adjustable use in residential settings. Its construction prioritises portability and user control, integrating both mist production and device charging into one compact unit.
Material and Build
The humidifier features a modern, simplistic slim design intended to look suitable in various room settings. The housing is constructed from plastics, forming the 1.1L water tank and enclosing the ultrasonic misting mechanism and electronic components. The design includes physical controls for the spray modes and lighting, alongside the USB port used for both recharging the internal battery and outputting power to other devices.
Size and Practical Fit
While exact dimensions are not specified, the described 'slim design' indicates a form factor intended for placement on bedside tables, desks, or other limited surfaces. The 1.1L tank capacity provides a balance between runtime and refill frequency, suitable for overnight or all-day use in a single room. Its wireless capability, supported by the 4000mAh battery, eliminates the need for a constant power cable, increasing placement flexibility.
Uses and Placement

The product is specifically noted as a 'bedroom humidifier', defining its primary environment. Its feature set is tailored for personal, indoor spaces where controlling air humidity can alleviate physical discomforts associated with dry air.
Event or Professional Use
For professional or event settings, its portability and power bank function offer utility. In offices, the quiet operation below 35dB prevents distraction, while the power bank can serve as a backup charging point for laptops or phones during meetings or travel. The adjustable lighting could also provide subtle ambient effects in reception areas or therapy rooms, though its core function remains humidity control.
Everyday Home Use
In daily home life, it addresses common issues caused by dry indoor air, such as skin discomfort, sinus congestion, dry coughs, or bloody noses, as noted in the source text. It is ideal for continuous use in bedrooms overnight or in living rooms during the day. The multiple spray modes allow users to match mist output to the room's conditions—using continuous mist for quickly raising humidity or periodic mist for maintenance. The automatic shut-off feature provides safety when the tank is empty.
Benefits and Buying Value

The value of this humidifier lies in its multi-functionality and specific, source-supported features that cater to convenience and effective moisture delivery without being tied to a power outlet.
Reuse and Low Maintenance
The product is designed for repeated use with straightforward maintenance. The cotton filter is supplied and should be cleaned or replaced to maintain hygienic mist output. The 1.1L tank is refillable, and the 4000mAh battery is rechargeable hundreds of times via the included USB cable. The automatic shut-off protects the unit from dry running, promoting its longevity through responsible operation.
Why Choose This Product
Choosing this humidifier is justified by its combination of extended cord-free runtime, dual functionality as a power bank, and quiet operation—all specific features supported by the source text. It provides a targeted solution for improving bedroom air humidity, which can help mitigate the physical discomforts listed. The availability of four colours (green, grey, pink, white) allows it to match different room décors. Its self-contained operation with a large tank and long battery life makes it a practical standalone appliance for personal spaces.
