1. Introduction
Thank you for choosing the Cecotec PureAroma 550 Connected Aroma Diffuser. This device combines aromatherapy, humidification, and a Bluetooth speaker to create a pleasant and relaxing atmosphere in your home or office. With its large capacity, LED display, and smart app control, it offers a versatile and convenient user experience.
Please read this manual carefully before using the product to ensure proper operation, maintenance, and safety.
2. Safety Instructions
- Always place the diffuser on a stable, flat, and water-resistant surface.
- Do not place the diffuser near heat sources, direct sunlight, or in areas with high humidity.
- Keep out of reach of children and pets.
- Use only clean tap water or distilled water. Do not exceed the maximum water level indicated.
- Only use 100% pure, natural essential oils. Do not use corrosive liquids or chemicals.
- Unplug the device from the power outlet before filling, emptying, or cleaning.
- Do not immerse the device, power cord, or plug in water or any other liquid.
- If the device is damaged, do not operate it. Contact customer support.
- Do not block the mist outlet.
- Ensure the lid is properly secured before operating.
3. Product Features
- Large Capacity: 500 ml water tank for extended operation without frequent refills.
- Wide Coverage: Effective humidification and aroma diffusion for areas up to 30 m².
- Aromatherapy: Ideal for essential oils with a vapor flow of 25 ml/h, promoting relaxation.
- Smart Control: Control all functions and settings via a dedicated smartphone application.
- Integrated Speaker: Play your favorite music or audio via the built-in Bluetooth speaker.
- LED Display: Shows time and allows setting alarms, modes, and timer functions.
- Timer Function: Set operation time for up to 12 hours, after which the device automatically shuts off.
- 3 Operating Modes: Adjust mist intensity with Low, Medium, and High settings.
- Alarm Function: Set a specific time for the diffuser to start, waking you with a pleasant aroma.
- 7 LED Colors: Create the perfect ambiance with a choice of fixed or rotating LED colors.
4. Setup
4.1 Unpacking
Carefully remove all components from the packaging. Retain the packaging for future storage or transport.
4.2 Placement
Place the diffuser on a flat, stable surface away from electronic devices, furniture, and direct sunlight. Ensure there is adequate space around the unit for proper mist dispersion.

Image: The Cecotec PureAroma 550 Connected Aroma Diffuser in its Grey Woody finish, placed on a wooden surface, with mist gently rising from its top. A blue LED light strip is visible on the front.
4.3 Filling the Water Tank
- Remove the top cover of the diffuser.
- Using a measuring cup, carefully pour clean tap water into the water tank. Do not exceed the 'MAX' fill line.
- Add 2-3 drops of your preferred essential oil directly into the water tank. Adjust the quantity based on desired aroma intensity.
- Replace the top cover securely.

Image: A hand pouring water from a clear cup into the open water tank of the Cecotec PureAroma 550 diffuser. The internal components of the diffuser are visible.
4.4 Connecting Power
Connect the power adapter to the diffuser's power input port, then plug the adapter into a standard electrical outlet.
5. Operating Instructions
5.1 Power On/Off
Press the Power button on the front panel to turn the diffuser on or off. The LED display will illuminate when the device is on.
5.2 Setting Operating Modes
Press the 'Mode' button to cycle through the three mist intensity settings: Low, Medium, and High. The selected mode will be indicated on the LED display.
5.3 Timer Function
Press the 'Timer' button to set the desired operating duration (e.g., 1H, 3H, 6H, 12H). The diffuser will automatically shut off once the set time has elapsed.
5.4 LED Light Control
Press the 'Light' button to activate the LED lighting. Press again to cycle through the 7 available colors or select a random color changing mode. Press and hold to turn off the light.
5.5 Bluetooth Speaker Function
- Ensure the diffuser is powered on.
- On your smartphone or Bluetooth-enabled device, search for 'PureAroma 550' in the Bluetooth settings.
- Pair with the device. Once connected, you can play audio through the diffuser's integrated speaker.
5.6 Smartphone App Control
Download the official Cecotec app from your device's app store. Follow the in-app instructions to connect your PureAroma 550 diffuser. The app allows for remote control of all functions, including power, mist modes, timer, LED lights, and alarm settings.

Image: A person's hand holding a smartphone, showing the Cecotec app with a play button icon, indicating control over the diffuser. The PureAroma 550 diffuser is visible in the background on a wooden surface.
5.7 Alarm Function
Using the LED display controls or the smartphone app, set a specific alarm time. The diffuser will activate at the set time, releasing mist and aroma to gently wake you or signal an event.
6. Maintenance
Regular cleaning is essential to ensure optimal performance and longevity of your diffuser.
6.1 Daily Maintenance
- After each use, unplug the device and empty any remaining water from the tank.
- Wipe the inside of the water tank with a clean, soft cloth.
6.2 Weekly Cleaning
- Unplug the diffuser and remove the top cover.
- Pour out any remaining water.
- Add 1 tablespoon of white vinegar to the water tank and fill with water up to half capacity.
- Let it sit for 30-60 minutes to loosen mineral buildup.
- Carefully drain the water and wipe the tank and ultrasonic plate with a soft cloth or cotton swab. Do not scrub the ultrasonic plate.
- Rinse the tank thoroughly with clean water.
- Wipe the exterior of the diffuser with a soft, damp cloth.
- Allow all parts to air dry completely before reassembling or storing.
Important: Do not use harsh detergents, abrasive cleaners, or sharp objects to clean the diffuser, as this may damage the unit.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist is being produced. | Low water level; Ultrasonic plate dirty; Mist outlet blocked; Lid not properly closed. | Add water; Clean the ultrasonic plate; Clear any obstructions; Ensure lid is securely in place. |
| Device does not power on. | Not plugged in; Power outlet faulty; Device damaged. | Check power connection; Try a different outlet; Contact customer support. |
| Weak mist output. | Insufficient water; Dirty ultrasonic plate; Air vent blocked. | Ensure adequate water; Clean ultrasonic plate; Check and clear air vent. |
| Bluetooth connection issues. | Device not in pairing mode; Too far from diffuser; Interference. | Ensure diffuser is on; Move closer to diffuser; Restart both devices. |
| Water leakage. | Overfilled; Lid not sealed properly; Device tilted. | Do not overfill; Ensure lid is secure; Place on a flat surface. |
8. Specifications
| Brand | Cecotec |
| Model Number | 05648 |
| Color | Grey Woody |
| Dimensions (L x W x H) | 17.5 x 17 x 17.5 cm |
| Weight | 580 grams |
| Water Tank Capacity | 500 Milliliters |
| Power | 15.6 Watts |
| Material | Wood |
| Auto-off Function | Yes |
| Operating Time | Up to 12 hours |
| Recommended Use Area | 30 m² |
9. Warranty and Support
Cecotec products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official Cecotec website. Spare parts availability is indicated for 10 years from the date of purchase.
For technical assistance, troubleshooting beyond this manual, or to inquire about spare parts, please contact Cecotec customer support through their official channels.
Website: www.cecotec.com





