Introduction
This manual provides instructions for the proper use and maintenance of your WELLFINE Portable Cordless Water Dental Flosser, Model F5030B. Please read this manual thoroughly before first use to ensure safe and effective operation.
Safety Information
Important Safety Precautions:
- If you have braces, implants, or other dental work, consult your dentist to ensure safe use.
- Do not immerse the main unit in water beyond the IPX7 waterproof rating.
- Keep out of reach of children.
- Use only with water or dentist-recommended solutions.
Package Contents
Verify that all items are present in the package:
- WELLFINE Portable Cordless Water Dental Flosser (Main Unit)
- 5 Specialized Nozzles (including 2 Standard Jet Tips, 1 Orthodontic Tip, 1 Curved Nozzle, 1 Tongue Scraper)
- USB Charging Cable
- User Manual

Image: Main unit, packaging, and included nozzles.

Image: Detailed view of the five specialized nozzles.
Product Features
- Deep Cleaning Technology: The flosser delivers 1,400-1,800 high-frequency pulses per minute with adjustable water pressure from 30-120 PSI. This action effectively removes food debris and plaque from between teeth and along the gumline, and gently massages gums.
- 4 Customizable Modes: Includes Normal, Soft, Pulse, and a Custom mode with 8 adjustable pressure settings (totaling 11 pressure settings). A memory function recalls the last used setting.
- Long Battery Life & Portability: A single charge provides approximately 30 days of use. The compact and lightweight design facilitates travel.
- Ergonomic Design & 300ML Water Tank: Features an ergonomic grip for comfortable handling. The 300ML water tank allows for a complete cleaning session without frequent refills. The tank is detachable for easy filling and cleaning.
- IPX7 Waterproof Rating: The device is rated IPX7 waterproof, allowing for safe use in the shower.

Image: Illustration of deep cleaning effectiveness and specifications.

Image: Control panel displaying the four operating modes.

Image: Flosser highlighting its long battery life and portability for travel.

Image: Illustration of the 300ML removable water tank and its features.

Image: Product shown in a shower environment, emphasizing IPX7 waterproofing.
Setup
- Initial Charge: Fully charge the device before using it for the first time. Connect the USB charging cable to the flosser and a compatible USB power adapter (not included). The indicator lights will show charging status.
- Attach Nozzle: Select the desired nozzle and insert it into the hole on the top of the flosser until it clicks into place.
- Fill Water Tank: Open the water tank cover and fill the 300ML tank with warm water. Close the cover securely.
Operating Instructions
Follow these steps for effective use:
- Add Water: Ensure the 300ML water tank is filled with warm water.
- Insert Nozzle: Attach the desired nozzle firmly to the flosser.
- Select Mode: Press the 'MODE' button to cycle through Normal, Soft, Pulse, and Custom modes. The corresponding indicator light will illuminate.
- Position Nozzle: Lean over a sink. Place the nozzle tip into your mouth, directing it at a 90-degree angle to your gumline.
- Start Flossing: Press the power button to turn on the device. Move the nozzle along your gum line and between your teeth, pausing briefly between each tooth.
- Turn Off: After use, press the power button again to turn off the device.

Image: Visual guide for operating the water flosser.
Maintenance
Regular cleaning ensures optimal performance and hygiene:
- After Each Use: Empty any remaining water from the tank. Run the flosser for a few seconds to clear water from the internal components.
- Clean Water Tank: The detachable water tank can be removed and rinsed thoroughly with warm water. For deeper cleaning, use a mild soap and water solution, then rinse completely.
- Clean Nozzles: Remove the nozzle and rinse it under running water. Replace nozzles every 3-6 months, or sooner if they show signs of wear.
- Clean Main Unit: Wipe the exterior of the main unit with a soft, damp cloth. Do not use abrasive cleaners.
Specifications
| Brand | WELLFINE |
| Model Number | F5030B |
| Power Source | Battery Powered |
| Water Tank Capacity | 300ML |
| Water Pressure Range | 30-120 PSI |
| Pulse Frequency | 1,400-1,800 pulses/minute |
| Waterproof Rating | IPX7 |
| Operating Modes | Normal, Soft, Pulse, Custom (with 8 pressure settings) |
| Package Dimensions | 9.02 x 3.82 x 3.03 inches |
| Item Weight | 13.44 ounces |