1. Introduction
The Homedics SereneScent Mini Fabric Rechargeable Waterless Diffuser is designed to disperse ultra-fine fragrance using patented air diffusion technology, without the need for water. This cordless aromatherapy device offers a customizable scent experience with adjustable mist intensity and ambient lighting, controllable via its base or an optional app.

Image 1.1: The Homedics SereneScent Mini Fabric Rechargeable Waterless Diffuser, shown with its product packaging. The diffuser is a cylindrical device with a fabric exterior, designed for waterless fragrance dispersion.
2. Product Overview
2.1 Package Contents
- 1 Homedics SereneScent Fabric Home Fragrance Diffuser
- 1 Adapter with Power Cable
- 1 Quick Start Guide
2.2 Key Features
- Waterless, Patented Air Diffusion Technology: Disperses ultra-fine fragrance microdroplets without water.
- Cordless & Rechargeable: Provides portability and flexible placement.
- Customizable Scent Experience: Features 3 intensity levels and intermittent misting.
- Ambient Lighting: Offers solid or breathing lights in white, red, blue, purple, green, or orange.
- Optional App Control: Manage settings and scheduling via a Bluetooth-enabled app.

Image 2.1: A close-up view of the diffuser's base, highlighting the control buttons for power, light settings, and mist intensity, along with the ambient light ring.
3. Setup
3.1 Initial Charging
- Connect the provided power adapter to the diffuser's charging port.
- Plug the adapter into a standard electrical outlet.
- Allow the device to fully charge before first use. The charging indicator light will provide status.
3.2 Inserting SereneScent Oil
The diffuser is designed for use with 15ml SereneScent home fragrance oils (sold separately). An empty bottle is included for use with other compatible essential oils.
- Gently twist and lift the top section of the diffuser to expose the oil bottle compartment.
- Unscrew the cap from a 15ml SereneScent oil bottle or fill the empty bottle with your preferred essential oil.
- Carefully screw the oil bottle into the designated port within the diffuser. Ensure it is securely fastened to prevent leaks.
- Replace the top section of the diffuser, ensuring it clicks into place.

Image 3.1: A visual guide demonstrating the process of unscrewing the diffuser's top and inserting a 15ml SereneScent oil bottle into its compartment.
4. Operating Instructions
4.1 Power On/Off
- Press the Power button (
) on the diffuser base to turn the device on or off.
4.2 Adjusting Mist Intensity
The diffuser offers three mist intensity levels. Press the Intensity button (
) repeatedly to cycle through the settings:
- Low Intensity
- Medium Intensity
- High Intensity

Image 4.1: The diffuser releasing a visible mist, illustrating its intermittent misting capability for consistent fragrance release.
4.3 Ambient Light Settings
Press the Light button (
) to cycle through various light modes and colors:
- Solid colors: White, Red, Blue, Purple, Green, Orange
- Breathing light mode (colors fade in and out)
- Light off
The diffuser features an auto light-off function to conserve energy, allowing the fragrance to remain the primary focus.

Image 4.2: The diffuser displaying its ambient lighting feature, with a warm orange glow emanating from its base.
4.4 Runtime Settings
Press the Runtime button (
) to set the desired operating duration. Available options may include continuous operation or timed intervals (e.g., 2 hours, 4 hours, 8 hours).
4.5 App Control & Scheduling
For enhanced control and scheduling, download the Homedics SereneScent app from your device's app store. The app allows you to:
- Connect to the diffuser via Bluetooth.
- Adjust mist intensity and light settings remotely.
- Create custom schedules for operation.

Image 4.3: Screenshots of the Homedics SereneScent mobile app, demonstrating its interface for device selection, scent control, light settings, and scheduling features.
5. Maintenance
5.1 Cleaning the Diffuser
To maintain optimal performance, clean the diffuser periodically:
- Ensure the diffuser is powered off and unplugged.
- Remove the oil bottle.
- Wipe the exterior of the diffuser with a soft, damp cloth. Avoid using abrasive cleaners or harsh chemicals.
- For the oil nozzle, gently wipe any residue with a cotton swab lightly dampened with rubbing alcohol. Ensure no liquid enters the internal components.
- Allow all parts to dry completely before reassembling or using.
5.2 Replacing Oil Bottles
When an oil bottle is empty, replace it by following the steps in Section 3.2, ensuring the new bottle is securely screwed in.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist is being dispersed. | Oil bottle is empty or not properly installed. Nozzle is clogged. Device is not powered on. | Check oil level and ensure bottle is securely screwed in. Clean the nozzle as per maintenance instructions. Press the Power button. |
| Device not turning on. | Battery is depleted. Power adapter is not connected. | Charge the device using the provided adapter. Ensure the adapter is securely plugged into both the device and a working outlet. |
| Weak or inconsistent scent. | Low oil level. Nozzle partially clogged. Intensity setting is too low. | Replace or refill oil bottle. Clean the nozzle. Increase mist intensity setting. |
| App not connecting to the diffuser. | Bluetooth is off on your device. Diffuser is out of range. App needs to be restarted. | Ensure Bluetooth is enabled on your smartphone/tablet. Move closer to the diffuser. Close and reopen the app. |
7. Specifications
- Product Dimensions: 3.55 x 2.51 x 7.14 inches
- Item Weight: 14.08 ounces
- Model Number: ARMH-680CQ
- UPC: 031262115300
- Manufacturer: Homedics
- Color: Charcoal (for this specific model variant)
- Recommended Uses: Home, Office
- Special Features: App Control, Aromatherapy, Cordless, Multiple Light Setting, Multiple Mist Setting
8. Warranty and Support
8.1 Limited Warranty
This Homedics SereneScent Mini Fabric Rechargeable Waterless Diffuser comes with a 1-Year Limited Warranty. Please refer to the Quick Start Guide included in your package for full warranty details and terms.
8.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Homedics Customer Support. Contact information can typically be found on the Homedics official website or within the product packaging.