Introduction
This manual provides detailed instructions for the ANWOON Pro 4-in-1 Sleep System, Model AN-AIO25. This device integrates a sound machine, aroma diffuser, Schumann resonance generator, and a night light to create a personalized environment for sleep, focus, and relaxation. Please read this manual thoroughly before use to ensure proper operation and to maximize your experience with the product.

Image: The ANWOON Pro 4-in-1 Sleep System, illustrating its four primary functions: sound reproduction, smart lighting, aroma diffusion, and Schumann resonance generation.
Safety Information
- Ensure the device is placed on a stable, flat surface.
- Do not immerse the device in water or any other liquid.
- Use only the provided power adapter.
- Keep out of reach of children and pets.
- Do not block the mist outlet or speaker grille.
- Unplug the device during lightning storms or when unused for extended periods.
- Only use water and essential oils as directed for the aroma diffuser function.
Package Contents
- ANWOON Pro 4-in-1 Sleep System (Model AN-AIO25)
- Power Adapter
- User Manual
- Aroma Diffuser Module (pre-installed or separate, depending on package)
- Schumann Resonance Module (pre-installed or separate, depending on package)
Product Overview
Familiarize yourself with the various components and controls of your ANWOON Pro 4-in-1 Sleep System.

Image: Detailed diagram of the ANWOON Pro 4-in-1 Sleep System, labeling all control buttons, dials, and output areas such as the fog outlet and speaker.
Control Layout:
- Power Key: Located at the bottom front, used to turn the device on/off.
- Sound Dial: Adjusts soundscapes and volume.
- Diffuser Dial: Controls mist intensity for the aroma diffuser.
- Schumann Dial: Adjusts the strength of the Schumann resonance generator.
- Light Dial: Selects 7-color breathing light modes and night light.
- Timer Settings (30/90/120): Buttons for setting automatic shut-off times.
- Shortcut Keys (I, II, III, IV, V, VI): Customizable buttons for instant access to preferred settings.
- Fog Outlet: Top center, where mist is dispersed.
Setup
- Power Connection:
- Connect the provided AC power adapter to the power input port on the back of the device.
- Plug the adapter into a standard wall outlet.
- Aroma Diffuser Setup:
- Remove the top cover of the device.
- If not already installed, insert the Aroma Diffuser Module into its designated slot.
- Fill the water tank with clean tap water up to the MAX line. Do not overfill.
- Add 3-5 drops of your preferred essential oil directly into the water tank.
- Replace the top cover securely.
- Schumann Resonance Module Setup:
- If not already installed, insert the Schumann Resonance Module into its designated slot.
Operating Instructions
1. Power On/Off
- Press the Power Key once to turn the device on.
- Press and hold the Power Key for 2 seconds to turn the device off.
2. Sound Functions

Image: The ANWOON Sound Machine interface, illustrating the selection of over 50 natural soothing sounds, including white noise, brown noise, pink noise, and various nature soundscapes.
- Sound Selection: Rotate the Sound Dial to browse through over 50 high-fidelity soundscapes (e.g., white noise, rain, ocean, forest, lullabies).
- Volume Adjustment: Continue rotating the Sound Dial to increase or decrease the volume (27 levels).
- Bluetooth Pairing: The device supports Bluetooth connectivity. Refer to the specific Bluetooth pairing instructions in the full manual for connecting your external devices.
- Shortcut Keys: Press and hold any of the Shortcut Keys (I-VI) to save your current sound and volume settings. A short press will recall the saved setting.
3. Light Functions

Image: The ANWOON Sound Machine with its adjustable soothing breathing light, creating a calming ambiance in a bedroom where a child is sleeping.
- Breathing Light Modes: Rotate the Light Dial to cycle through 7-color breathing light modes.
- Night Light: A single tap on the Light Dial can activate or deactivate the night light function, providing a soft, steady illumination.
4. Aroma Diffuser Functions
- Mist Intensity: Rotate the Diffuser Dial to adjust the mist output intensity.
- The diffuser features waterless auto-off for safety.
5. Schumann Resonance Functions
- Strength Adjustment: Rotate the Schumann Dial to adjust the intensity of the 7.83Hz Schumann resonance output.
6. Timer Function

Image: The ANWOON Sound Machine in an office environment, demonstrating its use for focus and relaxation with timer presets for 'Power Nap' (30 min), 'Deep Reset' (90 min), and 'Extended Escape' (120 min).
- Press the dedicated Timer buttons (30/90/120) to set the device to automatically turn off after 30, 90, or 120 minutes.
- To deactivate the timer, press the currently active timer button again or select a different timer duration.
7. Memory Function
- The device automatically retains your last used settings for sound, light, diffuser, and Schumann resonance, even after being powered off.
Maintenance
- Cleaning the Exterior: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Cleaning the Water Tank: Regularly empty and rinse the water tank. For thorough cleaning, use a cotton swab with a small amount of white vinegar to gently clean the ultrasonic plate. Rinse thoroughly before refilling.
- Essential Oil Care: If using essential oils, clean the diffuser module regularly to prevent residue buildup.
- Ensure the device is unplugged before any cleaning or maintenance.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Power adapter not connected properly or power outlet issue. | Ensure the power adapter is securely plugged into both the device and a working wall outlet. |
| No mist from diffuser. | Water tank empty, diffuser module not installed, or mist outlet blocked. | Refill water tank. Ensure diffuser module is correctly inserted. Check for blockages in the mist outlet. |
| No sound or low sound output. | Volume too low or incorrect sound selected. | Adjust the Sound Dial to increase volume. Rotate the Sound Dial to select a different soundscape. |
| Device turns off unexpectedly. | Timer function is active. | Check if a timer (30/90/120 minutes) is set. Deactivate the timer if continuous operation is desired. |
| Bluetooth pairing issues. | Device not in pairing mode or too far from source. | Ensure the device is in Bluetooth pairing mode. Move the paired device closer to the ANWOON system. |
Specifications
- Model Name: 4-IN-1 Pro AN-AIO25
- Product Dimensions: 6.57 x 6.57 x 5.24 inches
- Weight: 3.9 Pounds
- Material: Metal (Aviation grade aluminum alloy shell)
- Power Source: AC Powered
- Speaker: 3-inch high-fidelity speaker
- Sound Library: 50+ natural soundscapes
- Lighting: 7-color breathing light modes, night light
- Schumann Resonance: 7.83Hz generator
- Safety Certifications: FCC, CE, RoHS approved
Warranty and Support
The ANWOON Pro 4-in-1 Sleep System is designed for durability and safety. In the event of any issues, please do not hesitate to contact ANWOON customer support. We are committed to assisting you with any concerns regarding your product.
For support, please refer to the contact information provided on the product packaging or the official ANWOON website.