usmile Q20 Smart Children's Electric Toothbrush: Sonic working principle
This usmile Q20 electric toothbrush is designed for parents who want to make brushing fun and effective for kids aged 3-15. It turns a daily chore into a playful routine, helping build healthy habits early.
The soft bristles and three modes, including a beginner adaptation, ensure gentle cleaning without overwhelming young users. With a 90-day battery life, you can rely on it for consistent use without frequent charging. The sonic vibration at 30,000-33,000 times per minute tackles plaque effectively, giving you peace of mind about your child's oral health.
Features
- Intelligent anti-cavity brushing mode
- Daily cleaning mode
- Beginner adaptation mode
- USB charging
- Soft bristles
- 90-day battery life
- 4-5 hour charging time
- Vibration frequency 30000-33000 times/minute
- For ages 3-15 years
- Sonic working principle
General specs
- Brand: usmile
- Model: Q20
- Seller: Joom
- ID: 692848abcc04440177ad3aed
- Timer: Yes
- Material: ABS
- Age Range: 2-12 years
- Power Source: Rechargeable
- Cleaning Modes: 3
- Brush Head Type: Round
- Charging Method: USB
- Bristle Material: DuPont
- Bristle Softness: Soft
- Water Resistance: IPX7
- Cleaning Technology: Sonic
- Replaceable Brush Heads: Yes
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$111.59
Last price update: 3/3/26
Available to order
Price History for seller Joom
Shipping options
Delivery to 
United States
United States
Unavailable
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| Brand | usmile | TEETHEORY | RexCodar | COSLUS | Laifen | Umisr |
| Model | Q20 | GEHP206AB | C30 | WaveSE | ||
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| Rating |
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| Price | $111.59 | $19.99 | $29.99 | $8.99 | $71.99 | $29.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 14, 2026 | Feb 2, 2026 | Dec 6, 2025 | Feb 7, 2026 | Feb 7, 2026 | Dec 6, 2025 |
| Timer | Yes | 2-minute | 2-minute | 2-minute | ||
| Charging Method | USB | USB | Magnetic | USB | ||
| Bristle Softness | Soft | Soft | Soft | Soft | ||
| Water Resistance | IPX7 | IPX7 | IPX7 | IP68 | ||
| Display | LED | LCD, LED, TFT, Touchscreen | Touchscreen | |||
| Technology | Sonic | Sonic | Sonic | |||
| Travel Case | Yes | Yes | Yes | |||
| Battery Life | 45 | 20 days on a full charge | 30, 150 | 50 | ||
| Battery Type | Li-Polymer | Li-Polymer | Li-Polymer | |||
| Charging Port | USB-C | USB-C | USB-C | |||
| Brushing Modes | 3 | 5 | 1000 | |||
| Pressure Sensor | Yes | Yes | Yes | |||
| Brush Heads Included | 8 | 2 | 2 | |||
| Vibrations Per Minute | 40000 | <num1>, <num2> | 26000 | |||
usmile Q20 White Sonic working principle
$111.59
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