1. Introduction
Thank you for choosing the Oscentpro Plug-in Waterless Scent Air Machine, Model A323. This device is designed to disperse essential oil fragrances efficiently and quietly, covering areas up to 500 square feet. It features both Bluetooth app control and convenient manual controls, offering flexibility in managing your scent experience. This manual provides essential information for safe operation, setup, and maintenance.

Image 1.1: The Oscentpro A323 diffuser plugged into a wall outlet, with a smartphone showing its control application. This illustrates the dual control capability of the device.
2. Safety Information
Please read all safety instructions before using the device to prevent injury or damage.
- Use with caution.
- This product does not include essential oils. Purchase essential oils separately.
- Always ensure proper ventilation when the diffuser is in operation.
- Keep the device out of reach of children and pets.
- Do not immerse the device in water or any other liquid.
- Only use essential oils specifically designed for diffusers.
- Ensure the diffuser is always in an upright position during operation and when containing oil.
3. Product Features
- Dual-Control: Operate the diffuser using either the physical buttons on the unit or through a dedicated smartphone application via Bluetooth.
- Waterless Operation: This scent air machine functions without water, eliminating the need for refills and preventing potential spills or leaks.
- Compact Design: The sleek and minimalist design is suitable for various small rooms or offices.
- Coverage: Effectively scents areas up to 500 square feet.
- Long-Lasting Fragrance: With a 60ml essential oil capacity, the diffuser can provide continuous scent for up to 30 days, depending on usage settings.
- Easy to Use: Simple plug-in operation; add essential oil and select your desired settings.
- Versatile Placement: Its lightweight and portable design allows for easy relocation between rooms.
- Quiet Operation: Operates at approximately 45 dB, ensuring minimal disturbance.

Image 3.1: An infographic detailing key features of the waterless diffuser, including its coverage area, oil capacity, control options, and waterless operation.

Image 3.2: A detailed view of the diffuser highlighting its compact dimensions and core technologies such as cold-air diffusion and quiet operation.
4. Specifications
| Attribute | Detail |
|---|---|
| Brand | Oscentpro |
| Model Name | A323 |
| Color | White |
| Material | Polypropylene (PP) |
| Power Source | Plug In |
| Capacity | 60 Milliliters |
| Coverage Area | Up to 500 Square Feet |
| Product Dimensions | 3.1"L x 6.3"W x 7.8"H |
| Item Weight | 12.6 ounces |
| Wattage | 1.5 watts |
| Special Features | App Control, Compact, Long Lasting Aroma, Silent Operation, Waterless, Auto Shutoff |
| Recommended Uses | Bathroom, Bedroom, Home, Kids Room, Kitchen, Living Room, Nursery, Office, Play Room, Small Room, Study Room |
5. Setup Instructions
- Unpack the Diffuser: Carefully remove the Oscentpro A323 diffuser and all packaging materials from the box.
- Prepare Essential Oil: Ensure you have a bottle of essential oil compatible with waterless diffusers. (Note: Essential oils are not included).
- Insert Essential Oil Bottle: Gently twist and lift the top cover of the diffuser to expose the oil reservoir. Screw your essential oil bottle directly into the nozzle mechanism. Ensure it is securely fastened to prevent leaks.

Image 5.1: Illustration of how to access the oil reservoir by twisting the top cover, allowing for oil changes without unplugging the diffuser.
- Plug In: Plug the diffuser directly into a standard electrical outlet. The device is designed to be plug-in only.
- Power On: The diffuser will typically power on automatically or can be activated via the manual controls or app.
6. Operating Instructions
6.1 Manual Control
The diffuser features physical buttons for direct control of its functions.
- Mode Button: Press to cycle through different operating modes (e.g., continuous, timed intervals).
- Grade Button: Press to adjust the scent intensity level (e.g., G1, G2, G3). Higher grades typically mean more frequent or longer diffusion cycles.
- Timer Settings: The diffuser may have preset timer options such as 3-hour On / 21-hour Off or 6-hour On / 18-hour Off. Refer to the indicator lights on the device for active settings.
- Power On/Off: A dedicated button or a long press on a mode/grade button may control power.

Image 6.1: A detailed view of the manual control panel on the diffuser, illustrating the function of each button and a table explaining scent intensity grades.
6.2 Bluetooth App Control
For advanced control and scheduling, use the dedicated smartphone application.
- Download the App: Search for the “Oscentpro” app (or as specified in packaging) on your smartphone’s app store (iOS or Android).
- Pair the Device: Open the app and follow the on-screen instructions to pair your smartphone with the A323 diffuser via Bluetooth. Ensure Bluetooth is enabled on your phone.
- Set Schedules: Within the app, you can create custom schedules for diffusion times and days of the week.
- Adjust Scent Levels: The app allows precise adjustment of scent intensity, often offering more granular control than manual buttons.
- Monitor Status: View the current operating status and remaining oil levels (if supported by the app).

Image 6.2: A smartphone screen displaying the Oscentpro app interface, which allows users to set detailed schedules for the diffuser's operation.
7. Maintenance
Proper maintenance ensures the longevity and optimal performance of your diffuser.
- Positioning: The diffuser must always be in the upright position to prevent oil leakage and ensure proper function.
- No Water: Never add water to dilute the essential oil. This is a waterless diffuser and water can damage the internal components.
- Cleaning: Every 2 months, or when changing essential oils, use rubbing alcohol to clean the nozzle. Replace the essential oil bottle with a bottle of rubbing alcohol and let the diffuser run for approximately 1 hour on a regular schedule. This helps to clean any residue of used oil from the nozzle and internal pathways.
- Exterior Cleaning: Wipe the exterior of the diffuser with a soft, dry cloth. Do not use abrasive cleaners or solvents.

Image 7.1: An infographic summarizing essential care tips for the diffuser, including proper positioning, avoiding water, and periodic cleaning with rubbing alcohol.
8. Troubleshooting
If you encounter issues with your Oscentpro A323 diffuser, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No scent output | Oil bottle empty or improperly installed; nozzle clogged; device not powered on. | Check oil level and ensure bottle is securely screwed in. Perform cleaning procedure with rubbing alcohol. Verify device is plugged in and powered on. |
| Weak scent output | Low oil level; low intensity setting; large room size. | Refill oil. Increase scent intensity via manual controls or app. Consider device placement for optimal coverage. |
| Device not responding to app | Bluetooth not enabled; device not paired; app error. | Ensure Bluetooth is active on your phone. Re-pair the device in the app. Restart the app or your phone. |
| Device not powering on | No power to outlet; device malfunction. | Check if the outlet is working by plugging in another device. Try a different outlet. If problem persists, contact customer support. |
If these solutions do not resolve the issue, please contact Oscentpro customer support for further assistance.
9. Warranty and Support
The Oscentpro A323 diffuser comes with a standard manufacturer's warranty. Please refer to the product packaging or the official Oscentpro website for specific warranty terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact Oscentpro customer service through the contact information provided with your purchase or on the official brand website.





