1. Introduction
Thank you for choosing the SHANNA V-19 Flame Volcano Aroma Diffuser & Humidifier. This device combines ultrasonic aromatherapy with unique visual effects to enhance your environment. It features a 300ml capacity, intelligent timer settings, and automatic safety shut-off. Please read this manual thoroughly before use to ensure proper operation and maintenance.

Image 1.1: The SHANNA V-19 diffuser showcasing its flame effect.
2. Safety Instructions
- Always place the diffuser on a stable, flat surface away from direct sunlight, heat sources, and electronic devices.
- Do not exceed the maximum water level indicated inside the tank. Overfilling may cause malfunction or water leakage.
- Use only clean tap water or distilled water. Do not use hot water.
- Add only 2-3 drops of 100% pure essential oils. Do not use corrosive liquids or other chemicals.
- Keep the device out of reach of children and pets.
- Unplug the diffuser from the power outlet before cleaning or when not in use for extended periods.
- Do not touch the ultrasonic vibrating plate directly with your fingers or sharp objects.
- The device features an automatic power-off function when water levels are low, ensuring safety. Do not attempt to bypass this feature.

Image 2.1: Automatic power-off protection feature for enhanced safety.
3. Package Contents
Please check the package for the following items:
- SHANNA V-19 Aroma Diffuser Unit
- Power Adapter
- User Manual
4. Setup
- Unpack: Carefully remove all components from the packaging.
- Placement: Place the diffuser on a flat, stable surface.
- Open Lid: Gently remove the top cover of the diffuser.
- Fill Water: Pour clean water into the water tank, ensuring not to exceed the maximum water level line (300ml capacity). The water temperature should not exceed 40 degrees Celsius.
- Add Essential Oil: Add 2-3 drops of your preferred essential oil directly into the water tank.
- Close Lid: Replace the top cover securely.
- Connect Power: Plug the power adapter into the diffuser's power input port, then plug the adapter into a standard electrical outlet.
5. Operating Instructions
The SHANNA V-19 diffuser features three control buttons located on the front:
- Left Button (Power/Mist Mode): Press once to turn on the diffuser with the default flame effect. Press again to cycle through mist modes (Flame, Volcano/Jellyfish). Hold to turn off the device.
- Middle Button (Timer): Press to set the operating timer. Available settings are 2 hours and 8 hours. The device will automatically shut off after the selected time or when water runs out.
- Right Button (Light Mode): Press to change the light color or effect. The diffuser offers hot yellow flame colors and ice blue flame colors, as well as a jellyfish-like mist effect.

Image 5.1: Different flame colors and mist effects available.
Ultrasonic Aromatherapy
The ultrasonic technology atomizes water and essential oils into a fine mist, effectively humidifying the air and dispersing fragrance without heat. This process helps to purify the atmosphere and create a soothing environment.
Quiet Operation
The diffuser operates at a low noise level (25-35 decibels), making it suitable for use in bedrooms, offices, or during relaxation without disturbance.

Image 5.2: The diffuser's quiet operation is ideal for sleeping environments.
6. Maintenance
Regular cleaning is essential to ensure optimal performance and longevity of your diffuser.
- Daily Maintenance: Empty any remaining water from the tank after each use. Wipe the inside of the tank with a clean, soft cloth.
- Weekly Cleaning:
- Unplug the diffuser and remove the top cover.
- Drain any water from the tank.
- Add a small amount of warm water (not hot) and a few drops of white vinegar to the tank.
- Let it sit for 5-10 minutes.
- Gently wipe the inside of the tank and the ultrasonic vibrating plate with a soft brush or cotton swab. Do not scrub aggressively.
- Rinse the tank thoroughly with clean water, avoiding getting water into the air outlet.
- Wipe dry with a clean cloth.
- Storage: If not using the diffuser for an extended period, clean it thoroughly and store it in a cool, dry place.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or weak mist | Low water level; Water level too high; Ultrasonic plate dirty; Air outlet blocked. | Add water (do not overfill); Clean the ultrasonic plate; Ensure air outlet is clear. |
| Device does not turn on | No power; Adapter not connected properly. | Check power connection; Ensure adapter is securely plugged in. |
| Unusual noise | Insufficient water; Device not on a flat surface. | Add water; Place on a stable, flat surface. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | SHANNA |
| Model Number | V-19 |
| Color | White-A |
| Dimensions (L x W x H) | 13.8 x 13.8 x 10.8 cm (5.43 x 5.43 x 4.25 inches) |
| Capacity | 360 Milliliters |
| Power | 3 Watts |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Runtime | Up to 12 hours |
| Special Features | Automatic Shut-off, Diffuser, Timer, Silent, Night Light |
| Operating Mode | Ultrasonic |
| Weight | 500 grams |

Image 8.1: Product dimensions for the SHANNA V-19 diffuser.
9. Warranty and Support
This product is covered by a standard manufacturer's warranty. For specific warranty details, please refer to the product packaging or contact your retailer. If you encounter any issues or require technical support, please contact the seller or manufacturer directly. Please note that information regarding spare parts availability is not provided.





