Introduction
Thank you for choosing the BZseed 550ml Ultrasonic Essential Oil Diffuser. This device utilizes advanced ultrasonic technology to disperse a fine mist of water and essential oils into the air, creating a pleasant and humidified environment. It features a large capacity, quiet operation, and an automatic shut-off function for safety.

Image: The BZseed 550ml Ultrasonic Essential Oil Diffuser in dark brown, showcasing its elegant design.
Safety Information
- Always place the diffuser on a flat, stable surface.
- Do not exceed the maximum water fill line (550ml).
- Use only clean tap water or distilled water.
- Do not add water directly to the mist outlet.
- Unplug the diffuser from the power outlet before cleaning or refilling.
- Keep out of reach of children and pets.
- Do not cover the mist outlet during operation.
- The diffuser has a waterless auto shut-off function for safety.
Package Contents
Verify that all items are present in the package:
- 1x Diffuser Cover
- 1x Diffuser Base
- 1x Power Supply Adapter
- 1x Measuring Cup
- 1x User Manual

Image: The BZseed diffuser base with its power adapter, illustrating the main components.
Product Overview
The BZseed diffuser features a sleek design with intuitive controls. The base contains the water reservoir and ultrasonic plate, while the cover directs the mist. Control buttons for light and mist are located on the front of the base.

Image: Diagram showing the dimensions of the BZseed diffuser: 6.2 inches (L) x 6.2 inches (W) x 7.4 inches (H).

Image: Detailed diagram of the diffuser's control buttons, illustrating functions for light and mist settings, including timer options (1H, 3H, 6H, ON) and mist intensity.
Setup Instructions
- Place the Diffuser: Position the diffuser on a flat, stable, and water-resistant surface.
- Remove the Cover: Gently lift the top cover from the diffuser base.
- Add Water: Using the provided measuring cup, fill the water tank with clean tap water or distilled water up to the 550ml MAX line. Do not overfill.
- Add Essential Oil: Add 3-5 drops of your preferred essential oil directly into the water tank. Adjust the quantity based on desired scent intensity.
- Replace the Cover: Carefully place the cover back onto the base, ensuring it is properly aligned.
- Connect Power: Plug the power adapter into the diffuser's power input port, then plug the adapter into a standard electrical outlet.

Image: A hand using a dropper to add essential oil into the water reservoir of the BZseed diffuser, demonstrating the easy filling process.
Operating Instructions
Mist Control:
- Short Press MIST Button: Cycles through timer settings: 1 hour, 3 hours, 6 hours, and ON (continuous mist). The corresponding indicator light will illuminate.
- Long Press MIST Button (2 seconds):
- First long press (1 beep): Sets mist output to weak.
- Second long press (2 beeps): Sets mist output to strong.
- To turn off the mist, cycle through the timer settings until no indicator light is on, or unplug the unit.

Image: Comparison of the diffuser's strong and weak mist output, demonstrating adjustable intensity.

Image: Close-up of the diffuser's control panel, highlighting the 1H, 3H, 6H, and ON timer settings.
Light Control:
- Short Press LIGHT Button:
- First press: Cycles through 8 colors automatically.
- Subsequent presses: Locks the light to a single color. Continue pressing to cycle through available colors.
- Another press: Adjusts the brightness (dim/bright) of the selected color.
- Long Press LIGHT Button (2 seconds): Turns off the light function.
The diffuser features a waterless auto shut-off function. When the water level is too low, the unit will automatically power off to prevent damage.

Image: Illustration depicting the waterless auto shut-off feature, showing the diffuser automatically turning off when water runs out.
Maintenance and Cleaning
Regular cleaning helps maintain optimal performance and extends the lifespan of your diffuser.
- Empty Water: Unplug the diffuser and remove the cover. Carefully pour out any remaining water from the drainage side of the tank.
- Wipe the Tank: Use a soft cloth or cotton swab to gently wipe the inside of the water tank and the ultrasonic vibration plate.
- Clean the Plate: If there is residue on the ultrasonic plate, add a small amount of white vinegar to a cotton swab and gently wipe the plate. Do not scrub or use harsh chemicals.
- Rinse and Dry: Rinse the tank with clean water (avoiding the air outlet) and wipe all parts dry with a soft cloth.
- Frequency: Clean the diffuser after every 5-6 uses or every 3-5 days, especially when changing essential oils.
Important: Do not immerse the diffuser base in water. Avoid getting water into the air outlet or electrical components.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
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| Diffuser does not power on |
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| Light function not working |
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| Unusual noise during operation |
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Specifications
- Model Name: BZseed diffuser
- Capacity: 550 ml
- Coverage Area: Up to 480 sq ft
- Dimensions: 6.2"L x 6.2"W x 7.4"H
- Material: Plastic (BPA-free)
- Power Source: Electric
- Wattage: 3 watts
- Special Features: Automatic Shut-Off, Multiple Light Settings, Silent Operation, Timer Setting
- Timer Settings: 1H, 3H, 6H, ON (Continuous)
- LED Lights: 7 Color LED Lights
- Item Weight: 1.1 Pounds
- UPC: 732240231899
Warranty and Support
The BZseed 550ml Ultrasonic Essential Oil Diffuser comes with a 12-month replacement or refund warranty. For any product inquiries, technical support, or warranty claims, please contact BZseed customer service through the retailer where the product was purchased or visit the official BZseed store page.
Seller: BZseed
For additional information and support, you may visit the BZseed Store on Amazon.