1. Introduction
Thank you for choosing the Dongzhen Waterless Essential Oil Diffuser. This device utilizes advanced air diffusion technology to disperse essential oils without the need for water or heat, preserving the integrity of the fragrance. Designed for both home and car environments, it offers a convenient and efficient way to enjoy aromatherapy. Please read this manual carefully before use to ensure proper operation and maintenance.
2. Important Safety Information
- 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 disassemble or attempt to repair the device yourself. Contact customer support for assistance.
- Use only pure essential oils. Do not use synthetic fragrances or oils containing carrier oils, as this may damage the diffuser.
- Do not block the mist outlet during operation.
- Keep the device away from direct sunlight, heat sources, and open flames.
3. Package Contents
Verify that all items are present in your package:
- Dongzhen Waterless Essential Oil Diffuser (1 unit)
- USB-C Charging Cable (1 unit)
- User Manual (1 unit)
- Empty 10ml Essential Oil Bottle (1 unit, for refilling)

Figure 1: Package Contents. The image displays the diffuser, its packaging box, a USB-C charging cable, and the user manual.
4. Product Overview
The Dongzhen Waterless Essential Oil Diffuser features a compact, cylindrical design with a sleek black finish and a rose gold accent band. It includes an intelligent LED digital display on the top panel for easy monitoring of settings.

Figure 2: Front view of the Dongzhen Waterless Essential Oil Diffuser. The device is black with a rose gold band and a textured base, showing the mist outlet and control panel on top.
Control Panel and Indicators:

Figure 3: Detailed view of the diffuser's control panel. Labels indicate the ON/OFF button, Time Button, Mist Button, Battery Indicator, Home Button, Car Mode indicator, and Spray Nozzles.
- ON/OFF Button: Powers the device on or off.
- Time Button: Adjusts the operating timer.
- Mist Button: Selects the mist intensity level.
- Battery Indicator: Displays current battery charge.
- Home/Car Mode Indicators: Shows the currently active operating mode.
- Spray Nozzles: Where the essential oil mist is dispersed.
- USB-C Port: For charging the device.
5. Setup
5.1 Charging the Diffuser
Before first use, fully charge the diffuser. Connect the provided USB-C cable to the charging port on the device and to a compatible USB power adapter (not included). The battery indicator on the LED display will show charging status.
5.2 Adding Essential Oil
The diffuser is compatible with standard 5-20ml essential oil bottles. Ensure the essential oil bottle has a dropper cap or use the provided empty bottle for refilling.
- Gently twist and remove the top cover of the diffuser.
- Unscrew the cap from your essential oil bottle.
- Carefully screw the essential oil bottle directly onto the nozzle located inside the diffuser. Ensure it is securely attached to prevent leaks.
- Replace the top cover of the diffuser.
Video 1: Demonstrates how to add essential oil to the Dongzhen Waterless Diffuser. The video shows removing the top, attaching an essential oil bottle to the internal nozzle, and replacing the cover.
6. Operating Instructions
6.1 Power On/Off
- To power on, press and hold the ON/OFF Button for 2 seconds. The LED display will illuminate.
- To power off, press and hold the ON/OFF Button for 2 seconds again.
6.2 Selecting Operating Mode (Home/Car)
The diffuser features two distinct operating modes: Home Mode and Car Mode.
- To switch to Home Mode, press and hold the Time Button for 2 seconds. The 'H' indicator will light up.
- To switch to Car Mode, press and hold the Mist Button for 2 seconds. The car icon indicator will light up.

Figure 4: Diffuser operating in Home Mode, displaying timer and mist level settings on its LED screen. The image shows the diffuser on a table in a living room.

Figure 5: Diffuser operating in Car Mode, displaying timer and mist level settings on its LED screen. The image shows the diffuser placed in a car's cup holder.
6.3 Adjusting Mist Level
Press the Mist Button repeatedly to cycle through 4 mist intensity levels. The current level will be indicated on the LED display.
6.4 Setting the Timer
Press the Time Button repeatedly to cycle through available timer settings. The selected timer duration will be shown on the LED display.
- Home Mode Timers: 1 hour, 2 hours, 4 hours, 6 hours.
- Car Mode Timers: 1 hour, 2 hours, 3 hours.
- The diffuser will automatically shut off once the set time has elapsed.
6.5 LED Display Sleep Mode
To conserve power, the digital screen will enter sleep mode after 30 seconds of inactivity. To reactivate the display, press any button.
6.6 Night Light Function
The diffuser features an optional night light function. To activate or deactivate, refer to the specific instructions in the video demonstration or product packaging, as this feature may be integrated with other controls.
Video 2: This video demonstrates the diffuser's operation, including the night light feature. The diffuser emits a soft orange glow from its base when the night light is active.
7. Maintenance
Regular cleaning ensures optimal performance and longevity of your diffuser.
- Disconnect Power: Always turn off the diffuser and disconnect it from any power source before cleaning.
- Remove Oil Bottle: Carefully unscrew the essential oil bottle from the nozzle.
- Clean Nozzle: Use a cotton swab lightly dampened with rubbing alcohol to gently wipe the nozzle and surrounding area. This helps remove any oil residue that might clog the diffuser.
- Clean Exterior: Wipe the exterior of the diffuser with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Air Dry: Allow all components to air dry completely before reassembling or using the diffuser.
Note: If you plan to store the diffuser for an extended period, ensure it is clean and dry, and remove the essential oil bottle.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist is being produced. |
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| Weak or inconsistent mist. |
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| Device not charging. |
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| LED display is off. |
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9. Specifications
| Feature | Detail |
|---|---|
| Brand | Dongzhen |
| Model Name | Dongzhen Waterless |
| Color | Black |
| Power Source | Battery Powered (1 Lithium Ion battery included) |
| Battery Capacity | 2000mAh |
| Charging Time | Approximately 3.5 hours |
| Running Time | 6-72 hours (depending on mist level) |
| Liquid Capacity | Compatible with 5-20ml essential oil bottles |
| Coverage Area | Up to 300 square feet |
| Noise Level | Less than 30dB |
| Product Dimensions | 4.53"L x 3.32"W x 3.32"H |
| Item Weight | 1 Pound |
| Special Features | Adjustable Modes (Home/Car), Sleep Mode, Timer Setting, LED Display, Auto Shutoff |
10. Warranty and Support
Dongzhen products are manufactured to high quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact details provided on the product packaging or the official Dongzhen website. Please retain your proof of purchase for warranty claims.