Model: T2431A0 | Brand: Onlyone
The Onlyone Ultrasonic Electric Toothbrush is a rechargeable oral care device designed for adults. It uses advanced sonic vibration technology to assist with daily oral cleaning and plaque maintenance. The toothbrush features multiple cleaning modes, a smart timer, and comes with a set of accessories including 8 brush heads, a travel case, a charging base, and wireless charging capability.
The toothbrush is available in Black, Pink, and White color options. It is powered by a rechargeable battery and operates in ultrasonic mode with a pulsating motion.
The toothbrush adopts advanced sonic vibration technology with up to 40,000 brush strokes per minute. This high-speed vibration helps break down plaque and assists with daily oral cleaning.
The toothbrush offers five brushing settings to adjust to your daily oral care habits:
To change the brushing mode, press and hold the top power button until the indicator word lights up.
The toothbrush includes a 2-minute brushing timer programmed to remind you every 30 seconds to switch to a different quadrant of your mouth. This ensures proper gum health and even cleaning across all areas.
The built-in rechargeable battery provides over 30 days of use with typical brushing (twice a day). The toothbrush supports both charging base and wireless charging.
The toothbrush features an IPX8 waterproof rating, making it safe for use in the shower and easy to rinse clean under running water.
The package includes:
| Brand | Onlyone |
|---|---|
| Model | T2431A0 |
| Age Range | Adult |
| Power Source | Battery Powered (Rechargeable) |
| Operation Mode | Ultrasonic |
| Number of Settings | 5 |
| Brush Strokes | Up to 40,000 strokes per minute |
| Battery Life | Over 30 days (typical use) |
| Waterproof Rating | IPX8 |
| Toothbrush Head Shape | Oval |
| Bristle Material | Nylon |
| Handle Material | ABS Plastic |
| Item Dimensions | 7.87 x 2.95 x 2.56 inches |
| Item Weight | 80 grams (2.82 ounces) |
| Color Options | Black, Pink, White |
| Included Components | Brush Heads (8), Charging Base, Electric Toothbrush, User Manual, Travel Case |
Step 1: Wet the bristles and apply a pea-sized amount of toothpaste.
Step 2: Press the power button to turn on the toothbrush. The toothbrush will start in the default cleaning mode.
Step 3: To change modes, press and hold the power button until the indicator word lights up. Cycle through the modes by pressing the button again.
Step 4: Place the brush head against your teeth at a 45-degree angle. Gently move the brush across your teeth, allowing the ultrasonic vibrations to do the work. Do not scrub hard.
Step 5: The toothbrush will pause every 30 seconds to remind you to switch to a different quadrant of your mouth. After 2 minutes, the toothbrush will automatically stop.
Step 6: Rinse the brush head and handle with water after use. Store the toothbrush upright to allow it to dry
The included travel bag protects the toothbrush and brush heads during travel. Store the toothbrush and up to two brush heads inside the case.
Replace the brush head every 3 months or when the bristles become frayed. To remove, pull the brush head straight off the handle. To attach a new one, push it onto the metal shaft until it clicks.
The toothbrush is safe for travel and approved for carry-on luggage. Use the included travel case to protect the toothbrush during transport.
| Element | Function |
|---|---|
| Power button | Turns the toothbrush on/off. When on, press to start or stop brushing. |
| Mode button | Cycles through the 5 cleaning modes. The selected mode is shown on the LED display. |
| Intensity button | Adjusts vibration intensity (Low / Medium / High). |
| LED display | Shows current mode, battery level, and intensity setting. |
| Battery indicator | Low battery: flashing red light. Charging: pulsing light. Full: solid light. |
| Timer indicator | Toothbrush stops after 2 minutes. A brief pause every 30 seconds signals quadrant change. |

The following video demonstrates the product in use, setup, and unboxing.
Onlyone Rechargeable Ultrasonic Electric Toothbrush
Video description: The video showcases the product in use, guides you through product setup, compares multiple products, and shows the product being unpacked.
The Onlyone electric toothbrush comes with a built-in rechargeable battery. With typical use (brushing twice a day), a single charge will last over 30 days.
Yes, electric toothbrush replacement brush heads are available and sold in packs of 8.
We recommend changing the brush head every 3 months.
Press and hold the top power button until the indicator word lights up.
Yes, it is safe for travel and approved for carry-on luggage. For your convenience, we have also included a travel case with your electric toothbrush.
| Issue | Possible Cause | Solution |
|---|---|---|
| Toothbrush does not turn on | Battery is empty | Charge the toothbrush for at least 12 hours. |
| Weak vibration | Low battery or incorrect mode | Charge the toothbrush or select a higher intensity level. |
| Charging base not working | Poor connection or faulty adapter | Ensure the base is properly connected. Try a different USB adapter. |
| Brush head not fitting | Not aligned correctly | Remove and reattach, ensuring the head clicks into place. |
| LED display not showing | Battery depleted | Charge the toothbrush. |
Always use this product under adult supervision. Replace brush heads every 3 months or when bristles become frayed. Not intended for use by children under 3 years old. Do not use for purposes other than oral hygiene. Always follow the 2-minute brushing timer for optimal results.
For warranty information and customer support, please contact the manufacturer:
Refer to the included user manual for detailed warranty terms. For product inquiries or support, visit the Onlyone brand page on Amazon or contact the seller.