HLS 550ML Essential Oil Diffuser User Manual

1. Product Overview

The HLS 550ML Essential Oil Diffuser is a versatile device designed to enhance your living space with aromatherapy, humidification, and ambient lighting. Its elegant wood grain finish seamlessly integrates into various home and office environments.

Key Features:

• 550ML Large Capacity: Allows for continuous operation for up to 10 hours.
• 7 Ambient Lights: Features pale and bright modes with customizable glow colors to suit your mood.
• 4 Timer Settings: Includes 1 Hour, 3 Hour, 6 Hour, and Continuous modes for flexible operation.
• Waterless Auto-Off: Automatically shuts off when water runs out, ensuring safety and preventing damage.
• Ultra-Silent Operation: Designed for quiet performance, making it ideal for bedrooms, offices, and nurseries.
• 5-in-1 Functionality: Functions as a humidifier, aroma machine, ambient night light, vaporizer, and decorative piece.

Image: The HLS 550ML Essential Oil Diffuser, showcasing its dark wood grain design and the vibrant LED light band at its base.

2. Setup Instructions

1. Unpack: Carefully remove the diffuser and all accessories from the packaging.
2. Placement: Place the diffuser on a flat, stable surface away from direct sunlight, heat sources, and air vents.
3. Remove Cover: Gently lift the top cover of the diffuser.
4. Add Water: Fill the water tank with clean tap water. Do not exceed the MAX line indicated inside the tank. Overfilling may result in low mist output.
5. Add Essential Oils (Optional): Add 2-3 drops of your preferred essential oil directly into the water tank. Adjust the amount based on desired aroma intensity.
6. Replace Cover: Securely place the top cover back onto the diffuser. Ensure it is properly aligned.
7. Connect Power: Plug the DC plug into the diffuser's power input, then connect the power adapter to a standard electrical outlet.

Image: A hand carefully filling the diffuser's water tank, illustrating the correct method for adding water.

Important Safety Note:

• Oil is NOT included in the package.
• Do not press the 'MIST' button when the tank is empty.

3. Operating Instructions

The diffuser features two main control buttons: LIGHT and MIST.

3.1. Mist Control

Press the MIST button to activate the mist function and select your desired timer setting:

• 1st Press: 1 Hour timer (indicator light illuminates)
• 2nd Press: 3 Hour timer (indicator light illuminates)
• 3rd Press: 6 Hour timer (indicator light illuminates)
• 4th Press: Continuous ON mode (indicator light illuminates)
• 5th Press: Turn OFF mist.

Image: Illustration of the four time modes available on the diffuser, suggesting optimal use for different activities.

3.2. Light Control

Press the LIGHT button to control the ambient lighting:

• 1st Press: Turn ON ambient light. The color will automatically cycle through 7 different colors.
• 2nd Press: Fix the current color.
• Subsequent Presses: Change to the next color in the cycle.
• Long Press (2 seconds): Turn OFF the light.

Image: Visual representation of the 7 available color light options for the diffuser.

Image: A close-up of the diffuser's control panel, highlighting the intuitive two-button operation for mist and light settings.

4. Maintenance

Regular cleaning is essential to ensure optimal performance and longevity of your diffuser.

4.1. Daily Cleaning

• Empty any remaining water from the tank.
• Wipe the inside of the water tank with a clean, soft cloth.
• Rinse the tank with fresh water.

4.2. Weekly Cleaning (or after 5-6 uses)

• Unplug the diffuser from the power outlet.
• Add 100ml of clean water and 2-3 drops of white vinegar to the water tank.
• Run the diffuser for 1 hour to allow the vinegar to clean the ultrasonic plate.
• Empty the water and wipe the tank thoroughly with a soft cloth.
• Important: Do not use corrosive detergents or harsh chemicals to clean the diffuser.

5. Troubleshooting

6. Specifications

7. Warranty and Support

For detailed warranty information and customer support, please refer to the official HLS website or contact their customer service directly. A digital copy of the Instructions for Use (IFU) is available for download:

Download Instructions for Use (PDF)