Introduction
Thank you for choosing the JCLOUD Smart Waterless Essential Oil Diffuser, Model A306M. This device utilizes advanced cold air diffusion technology to disperse essential oils into a fine mist, providing a consistent and long-lasting fragrance experience without the need for water or heat. This manual provides comprehensive instructions for safe operation, setup, maintenance, and troubleshooting to ensure optimal performance and enjoyment of your diffuser.
Important Safety Information
Please read all safety warnings and instructions carefully before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Avoid direct skin contact with undiluted essential oils.
- Keep the device and essential oils out of reach of children and pets.
- Ensure proper ventilation in the area where the diffuser is used.
- Do not ingest essential oils.
- Always follow the recommended usage guidelines for essential oils.
- Use only the provided power adapter.
- Do not disassemble or attempt to repair the device yourself. Contact customer support for assistance.
Package Contents
Verify that all items are present in the package:
- JCLOUD Smart Waterless Essential Oil Diffuser (Model A306M)
- Product Manual
- Power Adapter (Charger)
- Wall Mounting Bracket
- Accessory Kit (screws, anchors)
- Empty 800ml Oil Bottle
Video: The detail of the 800ML A306M scent machine operation. This video demonstrates the unboxing and initial setup steps, including identifying all components.
Product Overview
The JCLOUD Smart Waterless Essential Oil Diffuser is designed for efficient and wide-area scent coverage, up to 4500 sq. ft. It features cold air diffusion, an ambient LED light, and Bluetooth app control.

Image: Overview of the JCLOUD Smart Waterless Essential Oil Diffuser, highlighting its key features such as no water need, long working time, pet & kids friendly design, smart connectivity, LED light, and 800ml capacity.
The diffuser operates by converting essential oils into dry mist micro-particles, ensuring pure fragrance without dilution. Its integrated fan helps distribute the scent effectively across large areas.

Image: A diagram illustrating how the JCLOUD diffuser distributes scent throughout a room, covering up to 4500 sq. ft. It also mentions 20 default scent grades and custom grade settings.
This cold air diffusion method offers several advantages over traditional water-based diffusers, including no water mess, wider coverage, and longer operational periods.

Image: A comparison chart detailing the benefits of professional cold-air diffusion technology used in the JCLOUD diffuser versus traditional water-based diffusers. Highlights include no water need, wider coverage, low noise, smart control, and flexible placement options for the JCLOUD model.
Setup and Installation
1. Adding Essential Oil
- Open the front cover of the diffuser by gently pulling it forward from the top.
- Remove the empty oil bottle from its compartment.
- Unscrew the cap from the empty bottle and carefully pour your desired essential oil into it. Do not overfill.
- Screw the cap back onto the bottle securely.
- Insert the filled oil bottle back into the diffuser compartment, ensuring it is seated correctly.
2. Power Connection
- Connect the power adapter to the power input port on the diffuser.
- Plug the power adapter into a suitable electrical outlet.
3. Closing the Cover
- Align the front cover with the diffuser body and gently push it back into place until it clicks securely.
4. Wall Mounting (Optional)
The diffuser can be placed on a flat surface or mounted on a wall using the provided bracket and accessory kit. Follow the instructions included with the accessory kit for wall mounting.

Image: The JCLOUD diffuser shown in two settings: wall-mounted and placed on the floor, demonstrating its versatility as both a functional scent machine and a decorative item.
Operation
1. Bluetooth App Control
The JCLOUD diffuser can be controlled via a smartphone app for customized settings.
- Download the App: Search for "Scent Marketing" in the Google Play Store (Android) or Apple App Store (iOS) and download the application.
- Connect via Bluetooth:
- Ensure your phone's Bluetooth is enabled.
- Open the "Scent Marketing" app.
- Select the Bluetooth version option within the app.
- The app will search for nearby devices. Select your diffuser (e.g., A311 or Aroma diffuser).
- Enter the default password: 8888. You will hear a beep from the diffuser upon successful connection.
- Set Working Periods and Scent Grade:
- Within the app, you can set up to 5 distinct working periods.
- For each period, define the start and stop times, and select the days of the week for operation.
- Choose a scent grade from 1 to 20, or customize the work time (seconds) and stop time (seconds) for precise control over fragrance intensity.
- Remember to save your settings after making changes.
- Fan Control: The app also allows you to turn the internal fan on or off.
Video: How to use app "Scent Marketing". This video provides a step-by-step guide on downloading the app, connecting to the diffuser via Bluetooth, and setting up working periods and scent intensity.

Image: Screenshots from the "Scent Marketing" app, illustrating the process of pressing the "BT" button for Bluetooth mode, finding the device, and entering the default password "8888" to connect.
2. LED Light Status
The ambient LED light on the diffuser indicates its operational status:
- Lights OFF: The diffuser is not working.
- Lights Gradually Brightest: The diffuser is actively working and diffusing scent.
- Lights Gradually Darkest: The pump is in a pausing period.
- Red Light: The essential oil has run out.
- Red Light Flashing: The oil bottle is not properly inserted.

Image: An illustration of the JCLOUD diffuser with text explaining the meaning of different LED light statuses: Lights OFF (Not Work), Lights Gradually Brightest (Working), Light Gradually Darkest (Pump Pausing Time), Red Light (Oils run out), and Red Light Flashing (Bottle not inside).
3. Manual Operation (Without App)
If you choose not to use the app, the diffuser will operate on a default cycle:
- Work for 15 seconds.
- Pause for 300 seconds.
- Repeat this cycle continuously.
You can also manually turn on/off the roof light and fan using the buttons located inside the diffuser, accessible after opening the front cover.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your JCLOUD diffuser.
- Cleaning the Oil Bottle: When changing essential oils or if the diffuser is not in use for an extended period, clean the oil bottle. Remove any residual oil and wipe it clean with a soft cloth. For thorough cleaning, you may use a small amount of rubbing alcohol, then rinse and dry completely.
- Cleaning the Nozzle: If you notice reduced mist output, the nozzle might be clogged. Gently wipe the nozzle with a cotton swab dipped in rubbing alcohol. Do not use sharp objects to clear the nozzle.
- Exterior Cleaning: Wipe the exterior of the diffuser with a soft, dry cloth. Do not use abrasive cleaners or allow water to enter the internal components.
- Storage: When storing the diffuser, ensure the oil bottle is empty and clean. Store in a cool, dry place away from direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No scent or weak scent output. |
|
|
| Red LED light flashing. | Oil bottle not properly inserted. | Ensure the oil bottle is securely placed in its compartment. |
| Cannot connect to the app via Bluetooth. |
|
|
| Diffuser not turning on. |
|
|
Specifications
| Feature | Detail |
|---|---|
| Brand | JCLOUD |
| Model Name | A306M |
| Color | White |
| Capacity | 800 Milliliters |
| Coverage Area | Up to 4500 sq. ft. |
| Diffusion Technology | Cold Air Diffusion (Waterless) |
| Control Method | Bluetooth App Control, Manual Buttons |
| Special Features | Ambient LED Light, Kids & Pets Friendly, No Mess |
| Power Source | Battery Powered |
| Product Dimensions | 5.33"L x 5.33"W x 14.26"H |
| Item Weight | 5.77 pounds |
| Wattage | 10 watts |
Note: While specifications list "Battery Powered", the device is designed to be charged and/or operated via the included AC adapter.
Warranty and Support
JCLOUD is committed to providing exceptional customer service. If you have any questions regarding installation, operation, maintenance, or require assistance with your aromatherapy diffuser, please contact our customer support team.
Contact information can typically be found on the service card included in your package or through the brand's official channels (e.g., brand mail or Amazon mail).



