1. Introduction
This manual provides detailed instructions for the safe and effective use of your SEAGO SG-2303 Kids Sonic Electric Toothbrush. Please read this manual thoroughly before first use and retain it for future reference.

Image 1: SEAGO Kids Sonic Electric Toothbrush and included accessories.
2. Safety Information
- Choking Hazard: Keep brush heads away from young children.
- Do not use the toothbrush in the shower or bath.
- Replace brush heads every 3 months for optimal hygiene and performance.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Package Contents
Your SEAGO SG-2303 Kids Sonic Electric Toothbrush package includes:
- 1 x Rechargeable Toothbrush Handle
- 2 x Alphabet Sticker Sheets
- 4 x Replacement Brush Heads (2 Extra Soft, 2 Color-Fade Reminder)
- 1 x Bristle Cover
- 1 x User Manual
- 1 x USB Charger Cable (adapter not included)

Image 2: Contents of the SEAGO Kids Sonic Electric Toothbrush package.
4. Setup
4.1 Attaching the Brush Head
- Align the brush head with the metal shaft on the toothbrush handle.
- Push the brush head down firmly until it clicks into place.

Image 3: Two types of brush heads included: extra soft and color-fade reminder bristles.
4.2 Charging the Toothbrush
The toothbrush features a long-lasting battery. A full charge takes approximately 4 hours and can provide up to 60 days of use (based on 2 minutes of brushing, twice daily).
- Locate the charging port at the bottom of the toothbrush handle.
- Insert the provided USB charger cable into the port.
- Connect the other end of the USB cable to a compatible USB power adapter (not included) or a USB port.
- The indicator light will show charging status.

Image 4: The toothbrush charging via its USB-C port.
4.3 Personalizing with DIY Stickers
The toothbrush comes with DIY alphabet stickers for personalization.
- Carefully peel off the desired alphabet stickers from the sheet.
- Apply the stickers to the toothbrush handle as desired.

Image 5: Example of personalizing the toothbrush with alphabet stickers.
Video 1: Demonstration of applying DIY stickers to the SEAGO Kids Electric Toothbrush.
5. Operating Instructions
5.1 Power On/Off and Mode Selection
Press the power button to turn the toothbrush on. Press repeatedly to cycle through the 5 brushing modes. Press and hold to turn off.

Image 6: The 5 brushing modes: White, Clean, Sensitive, Polish, and Massage.
5.2 Brushing Modes
- White Mode: Deep cleaning for ages 10+.
- Clean Mode: Daily teeth cleaning for ages 6-10.
- Sensitive Mode: Gentle cleaning for sensitive teeth and first-time users (ages 3-6).
- Polish Mode: Strong vibration to aid in stain removal.
- Massage Mode: Strengthens gums and improves gum health.
Video 2: Demonstration of the 2303K toothbrush functions and modes.
5.3 Smart Timer and Interval Pause
The toothbrush features a built-in 2-minute smart timer, ensuring brushing for the dentist-recommended duration. It also includes a 30-second interval pause to remind users to switch brushing areas, promoting thorough cleaning.

Image 7: Visual representation of the 2-minute smart timer with 30-second interval reminders.
6. Maintenance
6.1 Cleaning the Toothbrush
The toothbrush is IPX7 waterproof, making it safe for rinsing under water. After each use, rinse the brush head and handle thoroughly under running water. Wipe the handle dry with a clean cloth.

Image 8: The toothbrush is IPX7 waterproof for easy cleaning.
6.2 Replacing Brush Heads
It is recommended to replace brush heads every 3 months, or sooner if bristles become frayed. The color-fade reminder bristles will indicate when it's time for replacement.
- Twist the old brush head counter-clockwise to remove it from the handle.
- Align a new brush head with the metal shaft and twist clockwise until it locks into place.

Image 9: Color-fade bristles serve as a reminder to replace the brush head.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Toothbrush does not turn on. | Low battery or not charged. | Charge the toothbrush for 4 hours. |
| Vibration is weak. | Low battery. | Recharge the toothbrush. |
| Brush head feels too hard/soft. | Incorrect mode selected or wrong brush head type. | Cycle through modes to find a comfortable setting. Ensure the correct brush head (extra soft or regular) is attached for the user's age/preference. |
8. Specifications
- Model Number: SG-2303
- Brand: SEAGO
- Vibrations: 38,000 VPM (Vibrations Per Minute)
- Brushing Modes: 5 (White, Clean, Sensitive, Polish, Massage)
- Timer: 2-minute smart timer with 30-second interval pause
- Battery Life: Up to 60 days on a single charge
- Charging Time: Approximately 4 hours
- Waterproof Rating: IPX7
- Power Source: Battery Powered (1 Lithium Ion battery included)
- Bristle Firmness: Extra Soft
- Special Features: DIY Alphabet Stickers, Multiple Brush Heads
- Package Dimensions: 10.39 x 4.49 x 1.34 inches
- Item Weight: 7.05 ounces
9. Warranty and Support
For warranty information or customer support, please refer to the contact details provided in the original product packaging or visit the official SEAGO website.





