1. Important Safety Warnings
Please read all safety instructions carefully before using the appliance. 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 out of reach of children and pets.
- Ensure adequate ventilation during use.
- Do not exceed the maximum water fill line.
- Do not tilt or move the device when it is operating or contains water.
- Unplug the device before cleaning or refilling.
- Use only the provided USB cable and a compatible universal charger.
2. Product Overview
The Jocca Essential Oil Diffuser and Air Humidifier is designed to create a comfortable atmosphere, promote relaxation, and improve air circulation. It functions as an aromatherapy tool, air humidifier, and a night light.

Figure 2.1: Front view of the Jocca Essential Oil Diffuser, showcasing its wood-look finish and control buttons.
Key Features:
- 300 ml water capacity
- 3 timer settings
- USB cable included
- 7-color LED light
- Up to 10 hours of autonomy
- Ultrasonic technology for quiet operation
Components:
- Diffuser Base with control buttons
- Water Tank (300ml capacity)
- Lid (wood-look finish)
- USB Power Cable

Figure 2.2: The diffuser with its lid removed, revealing the internal water tank with a 'Max' fill line indicator.
3. Setup
- Place the diffuser on a flat, stable surface.
- Remove the top lid by gently lifting it upwards.
- Fill the water tank with clean tap water up to the 'Max' line (300 ml capacity). Do not overfill.
- If desired, add 2-3 drops of your preferred essential oil directly into the water.
- Replace the lid securely.
- Connect the USB cable to the diffuser's power port and plug the other end into a universal USB charger (not included) or a compatible USB port.

Figure 3.1: A hand carefully adding essential oil drops into the water-filled diffuser tank.
4. Operating Instructions
Once set up and powered, operate the diffuser using the two control buttons on the front:
Mist Control Button (Left Button):
- Press once for continuous mist.
- Press again to cycle through timer settings (1H, 3H, 6H). The diffuser will automatically turn off after the selected time.
- Press and hold to turn off the mist function.
Light Control Button (Right Button):
- Press once to turn on the LED light, which will cycle through 7 colors automatically.
- Press again to fix the light to a specific color. Continue pressing to cycle through colors.
- Press and hold to turn off the light function.

Figure 4.1: The diffuser actively emitting a fine mist, enhancing the ambiance of a room.
5. Maintenance
Regular cleaning ensures optimal performance and extends the lifespan of your diffuser.
- Unplug the diffuser from the power source.
- Remove the lid and empty any remaining water from the tank.
- Wipe the inside of the water tank with a soft, damp cloth. For stubborn residue, use a cotton swab dipped in white vinegar to gently clean the ultrasonic plate at the bottom of the tank.
- Rinse the tank with clean water, being careful not to get water into the air outlet.
- Wipe the exterior of the diffuser with a dry, soft cloth.
- Allow all parts to air dry completely before reassembling or storing.
Note: Do not use harsh detergents, abrasive cleaners, or corrosive liquids, as these can damage the diffuser.

Figure 5.1: The diffuser displayed alongside various essential oil bottles, emphasizing its primary function.
6. Troubleshooting
If you encounter issues with your diffuser, please refer to the following common solutions:
- No Mist or Weak Mist:
- Ensure the water level is adequate and not above the 'Max' line.
- Check if the ultrasonic plate is clean. Clean it as per maintenance instructions.
- Verify the lid is properly secured.
- No Power:
- Confirm the USB cable is securely connected to both the diffuser and the power source.
- Try a different USB charger or port to rule out a faulty power source.
- Leaking:
- Ensure the lid is properly aligned and sealed.
- Do not overfill the water tank.
- Avoid moving the diffuser when it contains water.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | Jocca |
| Model Number | 1436 |
| Color | Wood Look |
| Dimensions (L x W x H) | 16 x 16 x 16 cm |
| Weight | 520 grams |
| Capacity | 300 Milliliters |
| Material | Wood (exterior finish) |
| Auto Shut-off Function | Yes |
| Operating Time | Up to 10 hours |
| Special Feature | Ultrasonic Technology |
| Power Source | USB Cable (Electric) |
| Light Source Type | LED |





