Introduction
Thank you for choosing the Rtauys M5 Sonic Electric Toothbrush. This manual provides essential information for the safe and effective use of your new toothbrush. Please read it thoroughly before first use and retain it for future reference.
Important Safety Information
- Do not use for children unless supervised by an adult.
- Keep the battery out of reach of young children.
- Use only for oral hygiene purposes.
- Replace the brush head every 3 months or sooner if bristles become frayed.
- Do not attempt to disassemble or repair the device yourself. Contact customer support if issues arise.
- Ensure the charging port is dry before connecting the charger.
Package Contents
- 1 x Rtauys M5 Sonic Electric Toothbrush Handle
- 8 x Replacement Brush Heads (including 2 sensitive heads)
- 1 x Travel Case
- 1 x Charging Cable (USB)
- 1 x User Manual
Product Overview
The Rtauys M5 Sonic Electric Toothbrush is designed to provide an effective and comfortable brushing experience. It features a sleek handle, interchangeable brush heads, and multiple brushing modes.

Figure 1: Rtauys M5 Sonic Electric Toothbrush with a brush head.
Setup
1. Initial Charging
Before first use, fully charge the toothbrush. Connect the USB charging cable to the charging port at the bottom of the toothbrush handle and plug it into a compatible USB power adapter (not included). The battery indicator light will show charging status.

Figure 2: Toothbrush charging setup.
A full charge takes approximately 3 hours and provides up to 120 days of use.
2. Attaching a Brush Head
Align the brush head with the metal shaft on the toothbrush handle and push it down firmly until it clicks into place. To remove, pull the brush head straight up from the handle.
Operating Instructions
1. Power On/Off and Mode Selection
Press the power button to turn the toothbrush on. Press the power button repeatedly to cycle through the 5 brushing modes. To turn off the toothbrush, press and hold the power button for 2 seconds in any mode.
2. Brushing Modes
The Rtauys M5 offers 5 distinct brushing modes to suit various oral care needs:
- Clean Mode: For standard daily brushing, effectively removing plaque.
- White Mode: Designed to remove surface stains for a brighter smile.
- Sensitive Mode: Gentle cleaning for sensitive teeth and gums.
- Polish Mode: Provides a 1-minute polishing action for enhanced brightness.
- Massage Mode: Gently massages gums to promote gum health.

Figure 3: Brushing modes indicators on the toothbrush handle.
3. Brushing Technique
Apply a small amount of toothpaste to the brush head. Place the brush head against your teeth at a slight angle towards the gum line. Move the brush slowly across your teeth, allowing the sonic vibrations to clean each tooth surface. Do not scrub vigorously.
4. Smart Timer and Quadpacer
The toothbrush features a built-in 2-minute timer, which is the dentist-recommended brushing time. It also includes a 30-second reminder that signals you to move to a different quadrant of your mouth, ensuring thorough cleaning of all areas.
Maintenance
1. Cleaning the Toothbrush
After each use, rinse the brush head thoroughly under running water. Wipe the toothbrush handle with a damp cloth. The Rtauys M5 is IPX7 waterproof, allowing for easy rinsing under water.

Figure 4: Rinsing the waterproof toothbrush.
2. Replacing Brush Heads
For optimal performance and hygiene, replace the brush head every 3 months or when the indicator bristles fade. The package includes 8 replacement brush heads, providing up to 24 months of use.

Figure 5: Eight replacement brush heads included.
Travel Convenience
The Rtauys M5 Sonic Electric Toothbrush comes with a portable travel case, making it ideal for travel and business trips. The case securely holds the toothbrush handle and two brush heads, ensuring good oral hygiene on the go.

Figure 6: Toothbrush and heads in the travel case.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Toothbrush does not turn on. | Low battery or no charge. | Charge the toothbrush for at least 3 hours. |
| Weak vibrations. | Low battery. | Recharge the toothbrush. |
| Brush head feels loose. | Brush head not properly attached. | Remove and re-attach the brush head firmly until it clicks. |
| Battery indicator not lighting up during charging. | Charging cable or adapter issue. | Try a different USB cable or power adapter. Ensure the charging port is clean and dry. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | HK01518 |
| Vibrations per Minute | Up to 41,000 |
| Brushing Modes | 5 (Clean, White, Sensitive, Polish, Massage) |
| Battery Life | Up to 120 days (after 3-hour charge) |
| Waterproof Rating | IPX7 |
| Timer | 2-minute smart timer with 30-second interval reminders |
| Power Source | Rechargeable (1 A battery included) |
| Dimensions | 8.2 x 4.6 x 1.7 inches |
| Weight | 11.68 ounces |
| Bristle Material | Nylon |
| Handle Material | Plastic |
Warranty and Support
Your Rtauys M5 Sonic Electric Toothbrush is covered by a manufacturer's warranty. For detailed warranty information, product support, or to purchase additional accessories, please refer to the contact information provided on the product packaging or visit the official Rtauys website. Please retain your proof of purchase for warranty claims.