1. Introduction
Thank you for choosing the Zerodis USB Humidifier. This compact and portable humidifier is designed to improve air quality by adding moisture to your environment, making it ideal for use in cars, offices, or small rooms. Its unique coffee cup shape and quiet operation ensure a comfortable experience. Please read this manual carefully before using the product to ensure proper operation and maintenance.
2. Product Overview
Key Features:
- 300ml Capacity: Provides extended humidification without frequent refills.
- Silent Operation: Operates at less than 30 decibels for a quiet environment.
- Portable Design: Small and lightweight, making it easy to carry and use anywhere.
- Automatic Shut-off: Automatically turns off when water runs out, ensuring safety and energy efficiency.
- USB Powered: Conveniently powered via USB, compatible with various power sources.

Image: The Zerodis USB Humidifier, showcasing its compact coffee cup design.
What's in the Box:
- 1 x USB Humidifier
- 1 x USB Cable
3. Setup
- Unpack: Carefully remove the humidifier and all accessories from the packaging.
- Open the Lid: Gently twist and lift the top lid of the humidifier.
- Fill Water Tank: Fill the water tank with clean tap water. Do not exceed the maximum fill line (300ml capacity). Avoid adding essential oils or corrosive liquids, as this may damage the device.
- Close the Lid: Securely place the lid back on the humidifier, ensuring it is properly aligned.
- Connect Power: Insert the small end of the provided USB cable into the humidifier's USB port. Connect the other end to a suitable USB power source, such as a computer, power bank, or USB wall adapter (5V).

Image: Illustration of connecting the humidifier to various USB power sources, including a computer, power bank, and USB adapter.
4. Operating Instructions
- Power On: After connecting the power, press the power button (usually located on the lid) once to turn on the humidifier. Mist will begin to emit.
- Continuous Mist Mode: The humidifier typically starts in continuous mist mode.
- Intermittent Mist Mode (if applicable): If your model supports it, press the power button a second time to switch to intermittent mist mode (e.g., 3 seconds on, 3 seconds off).
- Night Light Function (if applicable): Some models may have a separate button or a long press on the power button to activate a night light feature. Refer to specific product details if available.
- Power Off: Press the power button again (or a third time for intermittent mode) to turn off the humidifier.
- Automatic Shut-off: The humidifier will automatically power off when the water level in the tank is too low or completely depleted. Refill the tank and restart the device to resume operation.

Image: The humidifier in operation, showing mist output and highlighting its quiet performance and potential night light feature.
5. Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your humidifier.
- Daily Cleaning: Empty any remaining water from the tank daily. Wipe the inside of the tank with a clean, soft cloth.
- Weekly Cleaning:
- Unplug the humidifier from the power source.
- Remove the lid and the cotton swab/filter assembly.
- Clean the water tank with a mild detergent and a soft brush or cloth. Rinse thoroughly with clean water.
- Wipe the mist outlet and the exterior of the humidifier with a damp cloth.
- Ensure all parts are completely dry before reassembling.
- Cotton Swab/Filter Replacement: The cotton swab (filter) should be replaced every 1-3 months, depending on usage and water quality. To replace:
- Unscrew the plastic tube holding the cotton swab.
- Remove the old swab and insert a new one, ensuring it is fully saturated with water before first use.
- Reassemble the tube and place it back into the lid.
- Storage: If not using the humidifier for an extended period, clean it thoroughly, dry all components, and store it in a cool, dry place.

Image: The humidifier's internal structure with the lid detached, illustrating the cotton swab component for maintenance and replacement.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or weak mist |
|
|
| Humidifier not turning on |
|
|
| Unusual odor |
|
|
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Zerodis |
| Model | B09MNKRP6X |
| Capacity | 300 Milliliters |
| Special Feature | Auto Shut Off |
| Operation Mode | Automatic |
| Voltage | 5 Volts |
| Wattage | 2 watts |
| Item Weight | 5.3 ounces |
| Package Dimensions | 6.57 x 3.74 x 3.74 inches |
8. Warranty and Support
Zerodis products are manufactured to high-quality standards. For information regarding warranty coverage or technical support, please refer to the documentation included with your purchase or contact your retailer. Keep your purchase receipt as proof of purchase for any warranty claims.