USB Cool Mist Humidifier 300ml – Colorful Light & 2 Spray Modes
USB Cool Mist Humidifier 300ml – Colorful Light & 2 Spray Modes
Stay Comfortable Anywhere with This Compact Cool Mist Humidifier
Bring balanced moisture to any small space with this adorable USB-powered cool mist humidifier. Featuring a charming mini ice-cube design with ever-changing colorful LED lighting, it's as much a decorative accent as it is a functional desktop essential. Perfect for your bedroom, office desk, car, or travel bag — it goes wherever you go.
Key Features
- Compact & Portable: Measures just 3.4 in wide × 5.5 in tall — takes up minimal space on any desk or nightstand. The 300 ml tank is ideal for small rooms and personal spaces.
- 2 Cool Mist Spray Modes: Choose between continuous or intermittent mist output to suit your preference and extend runtime.
- 360° Rotating Nozzle: Direct cool mist exactly where you need it to help add moisture to dry indoor air and create a more comfortable atmosphere.
- Colorful Ambient Light: The mini ice-cube top glows through a cycle of soothing colors, doubling as a soft night light and mood enhancer.
- USB Powered & Versatile: One-click operation makes it effortless to use. Plug into a laptop, power bank, or car charger — humidification on the go has never been easier.
- Ultra-Quiet Operation: Runs at whisper-quiet levels as low as 34 dB, so it won't disturb sleep, focused work, or relaxation.
- Auto Shut-Off Safety: Automatically powers off when the water level runs low, protecting the device and giving you peace of mind.
- Energy Efficient: Rated at just 3W–5W, this humidifier sips power so it can run for hours without running up your energy bill.
Specifications
| Capacity | 300 ml |
| Power | 3W–5W |
| Voltage | 5V USB |
| Noise Level | <36 dB |
| Humidification Method | Cool Mist / Mist Discharge |
| Dimensions | 3.4 in (W) × 5.5 in (H) |
| Country of Origin | Made in Mainland China |
Usage Tips
- Use tap water only — avoid purified, distilled water, or essential oils.
- Do not use fast-charging cables or fast adapters; standard 5V USB only to protect the unit.
- For first-time use, remove the cotton wick and soak it in water for 10 seconds before inserting.
Learn More About Indoor Air Quality
The U.S. Environmental Protection Agency offers helpful guidance on improving indoor air quality and the role of humidity in healthy home environments. Learn more at EPA.gov.
Frequently Asked Questions
Q: How long does the 300ml cool mist humidifier run on a full tank?
A: Runtime depends on the spray mode selected. In intermittent (low) mode, the humidifier can run for several hours on a full 300 ml tank. In continuous (high) mode, runtime is shorter. The auto shut-off feature activates when the water level is low to protect the device.
Q: Can I use this USB humidifier in my car?
A: Yes! The USB-powered design makes it easy to plug into any car USB port or USB car charger adapter, making it a great travel companion for long drives and road trips.
Q: Is the colorful LED light required, or can I use the humidifier with the light off?
A: The lighting and mist output are independently customizable. You can run the mist with or without the colorful ambient light, giving you full control over your environment.
Q: Why can't I use essential oils or distilled water in this humidifier?
A: This unit uses an ultrasonic cotton wick mechanism designed specifically for tap water. Essential oils can damage the wick and internal components, while very pure water (distilled/purified) may not conduct electricity properly for ultrasonic misting, reducing performance or causing damage.