Lithium battery USB rechargeable bedroom humidifier with 1.1L large capacity, wireless 4000mAh power for up to 16 hours operation, automatic shut-off, multiple spray modes, and quiet ultrasonic technology below 35 decibels.
USB rechargeable bedroom humidifier with 1.1L capacity and 16-hour wireless operation for dry air relief

This lithium battery powered humidifier offers a practical solution for maintaining comfortable humidity levels in bedroom environments without requiring constant mains power connection. With its integrated 4000mAh battery providing up to 16 hours of cord-free operation, the device can effectively address common issues associated with dry air including skin discomfort, sinus congestion, and respiratory irritation. The humidifier combines functional performance with convenient features like USB charging capability and multiple operating modes, making it suitable for overnight use or extended periods where electrical outlets may be limited.
Features and Construction

The humidifier incorporates several practical features designed for bedroom use, focusing on convenience, safety, and effective moisture distribution. Its construction centres around portable operation with built-in power storage and versatile spraying options.
Material and Build
Constructed with plastic housing materials that house the 1.1L water reservoir and internal components including the lithium-ion battery system. The device employs ultrasonic technology for moisture dispersal, operating below 35 decibels to maintain quiet bedroom environments. The modern, simplistic slim design mentioned in the source text contributes to a compact form factor suitable for various room settings without occupying excessive space.
Size and Practical Fit
With its 1.1L water capacity, the humidifier balances operational duration against physical dimensions, providing sufficient moisture output for typical bedroom spaces without requiring frequent refills. The wireless capability enabled by the 4000mAh battery allows placement flexibility away from power outlets, while the automatic shut-off feature activates when water is depleted, preventing dry running of the ultrasonic components.
Uses and Placement

The humidifier serves primarily as a bedroom moisture solution but offers functionality applicable to various indoor environments where dry air relief is needed. Its combination of features supports both continuous overnight use and intermittent operation according to individual requirements.
Event or Professional Use
While designed as a bedroom humidifier, the device's portable nature and USB power bank functionality extend its utility to other settings. The ability to charge portable devices via the integrated USB port provides additional value in locations where power access is limited. The multiple spray modes allow adaptation to different room sizes and humidity requirements, with the periodical setting conserving both water and battery power for extended operation.
Everyday Home Use
For regular bedroom application, the humidifier addresses common dry air issues including skin discomfort and respiratory symptoms that often worsen in artificially heated or cooled environments. The coloured lighting effect, which cycles through different colours, offers ambient visual enhancement alongside the practical humidification function. The four available colour options—Green, Grey, Pink, and White—allow coordination with existing bedroom decor.
Benefits and Buying Value

The humidifier provides several practical advantages centred on convenience, operational flexibility, and targeted moisture delivery. These benefits stem directly from the device's specifications and feature set rather than invented performance claims.
Reuse and Low Maintenance
The included cotton filter contributes to water treatment before ultrasonic dispersal, while the rechargeable lithium battery supports repeated cord-free use cycles without battery replacement. The device's automatic shut-off mechanism prevents operation without water, reducing component wear. The 1.1L tank capacity balances between adequate operational duration and manageable refilling frequency for typical overnight use.
Why Choose This Product
This humidifier distinguishes itself through its combination of USB rechargeability with substantial 16-hour wireless operation, multiple spray mode options, and integrated power bank functionality. The quiet ultrasonic operation below 35 decibels makes it suitable for sleep environments, while the automatic safety features provide peace of mind during unattended operation. The product addresses specific needs for bedroom humidification with portable convenience rather than making broader unsupported claims about performance or health benefits.
