usmile Q20 Kids Smart Sonic Electric Toothbrush: Sonic working principle
This smart sonic electric toothbrush is designed for parents who want to make brushing fun and effective for kids aged 3 to 15. It turns a daily chore into a playful routine, perfect for after-school clean-ups or before-bedtime habits.
Beyond just cleaning teeth, it fosters healthy independence. The three modes, including a gentle Beginner Adaptation, let your child start comfortably. With soft bristles and a 90-day battery life, it’s reliable for busy mornings. You’ll appreciate how the sonic vibration at 30,000-33,000 times per minute tackles plaque without harshness, and USB charging means no more hunting for outlets.
Features
- Vibration frequency: 30000-33000 times/minute
- Battery life: 90 days
- 3 brushing modes
- Soft bristles
- USB charging
- Sonic working principle
General specs
- Brand: usmile
- Model: Q20
- Seller: Joom
- ID: 692848a6cc04440177ad3966
- 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
$97.21
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 | COSLUS | Marlincare | Philips | Umisr |
| Model | Q20 | GEHP206AB | C30 | M10PRO | HX9690/05 | |
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| Price | $97.21 | $19.99 | $8.99 | $26.99 | $199.99 | $29.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 1, 2026 | Feb 2, 2026 | Feb 7, 2026 | Feb 4, 2026 | Feb 7, 2026 | Dec 6, 2025 |
| Timer | Yes | 2-minute | 2-minute | 2-minute | 2-minute | |
| Charging Method | USB | USB | Magnetic | Magnetic | ||
| Bristle Softness | Soft | Soft | Soft | Soft | ||
| Water Resistance | IPX7 | IPX7 | IPX7 | IPX8 | ||
| Technology | Sonic | Sonic | Sonic | Sonic | ||
| Travel Case | Yes | Yes | Yes | |||
| Battery Life | 45 | 30, 150 | 180 | |||
| Battery Type | Li-Polymer | Li-Polymer | Li-Polymer | |||
| Charging Port | USB-C | USB-C | USB-C | |||
| Brushing Modes | 3 | 5 | 5 | |||
| Pressure Sensor | Yes | Yes | Yes | Yes | ||
| Brush Heads Included | 8 | 2 | 4 | 2 | ||
| Vibrations Per Minute | 40000 | <num1>, <num2> | 55000 | |||
usmile Q20 White Sonic working principle
$97.21
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