Byr A9 Smart Sonic Electric Toothbrush: Sonic vibration frequency range: 33001-38000 Hz
For the busy adult who wants a thorough clean without the hassle, the Byr A9 Smart Sonic Electric Toothbrush is your daily dental upgrade. While many focus on basic cleaning, this toothbrush delivers a spa-like experience for your mouth, turning two minutes into a refreshing ritual.
Its sonic vibration at 32,000-42,000 times per minute gently removes plaque, and the multiple cleaning modes—like deep cleaning and massage—adapt to your needs. You will appreciate the gear memory function; it remembers your favorite setting so every brush starts just right. The soft bristles and included brush heads ensure comfort and long-term use, with a battery that lasts over a month on a single charge.
Waterproof and USB-charging make it convenient for any bathroom. This isn't just a tool for oral hygiene; it's a smart investment in your health, offering a consistent, effective clean that leaves your mouth feeling revitalized every time.
Features
- Waterproof rating: IPX7
- Battery life: 91-180 days
- Charging type: USB
- Cleaning modes: Three-dimensional cleaning, timing features, multiple cleaning modes
- Brush head technology: Tong piece hair transplant technology
- Number of brush heads included: 4
- Brush head bristle stiffness: Soft
- Power: 1.5W
- Rated voltage: DC 5V
- Net weight: 0.2 lbs
- Product size: height 8.66 inches, diameter 0.98 inches
- Vibration frequency: 32000-42000 times/minute
- Working time per charge: 45-60 days with usage of 1-2 times per day, 2 minutes each
- Gear memory function
- Indicator lights: Red for charging, green when full
- Material: ABS
- Origin: Mainland China
- Certification: CE
- Commodity quality certification: CE
- Age group: Adults
- Number of operating modes: 4 or more
- Type: Acoustic wave
- Number of nozzles: 4 or 5 or more pieces
- Bristle stiffness: SOFT
- Function: Deep cleaning mode, plaque removal mode, whitening mode, gentle cleaning mode, massage mode, timer
- Sonic vibration frequency range: 33001-38000 Hz
General specs
- Brand: Byr
- Model: A9
- Seller: Joom
- ID: 69283485464b4c012073fe4f
- Timer: 2-minute
- Display: LCD, LED, TFT, Touchscreen
- Technology: Sonic
- Travel Case: Yes
- Battery Type: Li-Polymer
- Charging Port: USB-C
- Charging Method: Magnetic, USB, Wireless
- Pressure Sensor: Yes
- Bristle Softness: Soft
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
Shipping options
Russia
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| Brand | Byr | DR.BEI | BAIR | Ebonee | SAMPO | Sharp |
| Model | A9 | i5 | i5 | P5 | SG575 | |
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| Rating |
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| Price | $43.90 | $62.77 | $86.54 | $64.15 | $48.43 | $50.19 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | Mar 7, 2026 | Feb 14, 2026 | Feb 14, 2026 | Feb 14, 2026 | Feb 23, 2026 | Mar 4, 2026 |
| Timer | 2-minute | Smart Timer | 2-minute | 2-minute | Smart Timer | |
| Display | LCD, LED, TFT, Touchscreen | Visual | LCD | |||
| Technology | Sonic | Sonic | Sonic | Sonic | Sonic | Sonic |
| Battery Type | Li-Polymer | Li-Polymer | Li-Polymer | |||
| Charging Method | Magnetic, USB, Wireless | USB-C | Magnetic | |||
| Pressure Sensor | Yes | Yes | Yes | |||
| Bristle Softness | Soft | Soft | Soft | |||
