1. Introduction
The Mornwell D52 Dental Water Jet Oral Irrigator is a USB rechargeable, portable water flosser designed to provide a superior clean for optimal oral hygiene. It features a 300ML water tank and a waterproof design, making it convenient for daily use at home or while traveling.

Image: Mornwell D52 Oral Irrigator, its packaging, and included accessories.
2. Key Features
- Advanced Cleaning Technology: Utilizes 0.3mm+0.3mm ultra-fine dual-thread water pulse technology.
- High-Frequency Pulsation: Delivers 1200-1400 pulses per minute (up to 1999 imp/min according to specifications) for effective cleaning.
- Superior Plaque Removal: Effectively removes 99.9% of dental plaque and food debris.
- Gum Health Improvement: Massages gums and helps address various oral issues, including bad breath.
- Large Water Tank: Features an upgraded 300ml extra-large water tank, reducing the need for frequent refills.
- Long Battery Life: Powerful eco-friendly battery provides up to 30 days of use on a single 4-hour charge.
- Portable Design: Compact and lightweight, ideal for home use and travel.
- High Waterproof Rating: IPX7 waterproof for safe use in the shower and easy cleaning.
- Durable Construction: Designed for a 3-year lifespan.
- Multiple Modes: Three professional modes (Normal, Soft, Pulse) to suit different oral care needs.
- Ergonomic Design: Comfortable to hold and use.
- Versatile Nozzles: Includes 4 interchangeable nozzles (3 standard, 1 braces nozzle) and a 360° rotatable nozzle for comprehensive cleaning.

Image: Illustration of the dual-thread stream effectively removing 99.9% of teeth spot and improving gum health.
3. Package Contents
Please check the box for the following items:
- 1 x Mornwell D52 Oral Irrigator Host
- 3 x Standard Nozzles
- 1 x Braces Nozzle
- 1 x USB Charging Cable (Adapter not included)
- 1 x User Manual
4. Setup Instructions
- Charge the Device: Before first use, fully charge the oral irrigator. Connect the USB charging cable to the charging port on the device and a suitable USB power source (e.g., computer, power bank, or a compatible USB adapter). A full charge takes approximately 4 hours.
- Install the Nozzle:

Image: Illustration of different jet tips and the 360° rotatable nozzle. To install, press the tip button, insert the desired nozzle, and release the button to lock it in place.
- Press the unlock button located near the nozzle attachment point.
- Insert the desired nozzle (standard or braces) into the opening until it clicks securely into place.
- Release the unlock button. To remove, press the unlock button and pull the nozzle out.
- Fill the Water Tank:

Image: Step 1 of the 'How to Use' guide, showing how to add water to the tank.
- Open the water tank cover at the bottom of the device.
- Fill the 300ml water tank with lukewarm water. You may also use mouthwash.
- Close the water tank cover tightly to prevent leakage.
5. Operating Instructions
Watch the official product video for a visual demonstration of the Mornwell D52 Oral Irrigator in action:
Video: Product demonstration showcasing features, usage, and benefits of the Mornwell D52 Oral Irrigator.
- Select a Mode:

Image: Details of the three professional cleaning modes.
- Press the 'Mode' button to cycle through the three available modes:
- Normal Mode (60-80 PSI): For regular day-to-day cleaning.
- Soft Mode (40-60 PSI): Gentle cleaning, ideal for beginners or those with sensitive gums/teeth.
- Pulse Mode (40-90 PSI): Massaging and cleaning of gums.
- The corresponding indicator light will illuminate to show the selected mode.
- Press the 'Mode' button to cycle through the three available modes:
- Position the Nozzle: Direct the nozzle tip into your mouth, aiming it at a 90-degree angle to your gumline.
- Turn On the Device: Press the 'On/Off' button to start the water flow.
- Floss Your Teeth: Guide the water jet along your gumline and between your teeth. The 360° rotatable nozzle allows you to easily reach all areas of your mouth.
- Turn Off the Device: Press the 'On/Off' button again to stop the water flow when finished.
- Empty and Rinse: After each use, empty any remaining water from the tank and rinse it thoroughly.
6. Maintenance and Care
- Daily Cleaning: After each use, empty the water tank and rinse it with clean water.
- Deep Cleaning: Periodically, you can detach the water tank for a more thorough cleaning. The split design makes it easier to remove and wash.
- Nozzle Care: Rinse the nozzles after each use. Replace nozzles every 3-6 months, or sooner if they show signs of wear.
- Waterproof Design: The device is IPX7 waterproof, allowing it to be safely rinsed under running water. However, ensure the base cover is closed tightly before use to maintain its waterproof integrity.

Image: The IPX7 waterproof design allows for easy cleaning and safe use.
- Storage: Store the oral irrigator in a cool, dry place away from direct sunlight when not in use.
7. Charging the Device
- The Mornwell D52 Oral Irrigator is USB rechargeable.
- Connect the included USB charging cable to the charging port on the device.
- Plug the other end of the USB cable into any standard USB power source (e.g., a phone charger adapter, computer USB port, or power bank).
- A full charge takes approximately 4 hours and provides up to 30 days of usage, depending on frequency and mode selection.
- Note: A charging adapter is not included in the package. You can use any compatible USB adapter you already own.

Image: The device offers up to 30 days of battery life and can be charged via various USB sources.
8. Troubleshooting & FAQ
- Q: Why does the Mornwell water dental flosser only have three modes?
- A: The three modes (Normal, Soft, Pulse) were professionally evaluated by a US dental team and selected for ease of use and effectiveness, ensuring a 3-year lifespan. They are suitable for adults, seniors, and teenagers.
- Q: How long does the battery last after a full charge?
- A: This water dental flosser lasts more than 1 month with a single charge. Actual usage time may vary, but it is designed to last at least 30 days.
- Q: Do I need to refill the water tank multiple times during use?
- A: No, the upgraded 300ml super large capacity water tank is sufficient for a complete 2-minute cleaning session.
- Q: Where can I get replacement tips?
- A: Replacement tips are typically available on the product details page where you purchased the flosser. Ensure you select original accessories for compatibility.
- Q: Does the package include a charging adapter?
- A: No, a charging adapter is not included. The device comes with a USB charging cable, which can be used with any standard USB adapter (e.g., mobile phone adapter, laptop USB socket).
9. Specifications
| Material | ABS |
| Power | 6.7W |
| Certifications | CE, FCC, 3C, CCC |
| Working Modes | Normal, Soft, Pulse (3 modes) |
| Water Pressure | 40-90 PSI |
| Jet Pulsation Frequency | 1600-1999 imp/min |
| Water Tank Capacity | 300ML |
| Battery Capacity | 1400mAH |
| Waterproof Rating | IPX7 |
| Charging Method | USB Rechargeable |
| Charging Time | 4 hours |
| Usage Days (per charge) | Up to 30 days |
| Product Weight | 314g |
| Product Size | 60*90*310mm |
| Number of Nozzles | 4 |
| Age Group | Adults |
10. User Tips
- For optimal results, use lukewarm water in the tank.
- If you have sensitive gums or are new to water flossing, start with the 'Soft' mode and gradually increase pressure as your gums adapt.
- The 300ml water tank is designed for a full cleaning session, so you shouldn't need to refill it mid-use.
- Remember to close the water tank cover tightly after filling to prevent leaks and maintain waterproofing.
- Keep your USB charging cable handy, as the device does not include a wall adapter, but it's compatible with most standard USB power sources.
- Regularly check the condition of your nozzles and replace them as recommended to ensure effective cleaning.

Image: Benefits of using the Mornwell D52 Oral Irrigator for various oral health concerns.
11. Warranty and Support
The Mornwell D52 Oral Irrigator is designed for durability and a long lifespan. For any product-related inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly through your purchase platform. Keep your purchase records for reference.





