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.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Byr A9 Black Sonic vibration frequency range: 33001-38000 Hz
|
Marlincare M10PRO Black 55,000 sonic pulses per minute for deep cleaning
|
TEETHEORY GEHP206AB Black Sensitive Gum Care with 40,000 vpm motor
|
AJELU JP-ET-PINK Pink
|
Onlyone T2431A0 Black
|
Philips HX9690/05 Black
|
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| Brand | Byr | Marlincare | TEETHEORY | AJELU | Onlyone | Philips |
| Model | A9 | M10PRO | GEHP206AB | JP-ET-PINK | T2431A0 | HX9690/05 |
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| Price | $49.34 | $19.98 | $19.98 | $9.99 | $26.36 | $199.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 26, 2026 | January 16, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 |
| Timer | 2-minute | 2-minute | 2-minute | 2-minute | 2-minute | |
| Display | LCD, LED, TFT, Touchscreen | LED | LED | |||
| Technology | Sonic | Sonic | Sonic | Sonic | Ultrasonic | Sonic |
| Travel Case | Yes | Yes | Yes | Yes | ||
| Battery Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Polymer | ||
| Charging Port | USB-C | USB-C | USB-C | USB-C | ||
| Charging Method | Magnetic, USB, Wireless | Magnetic | USB | USB | Wireless | |
| Pressure Sensor | Yes | Yes | Yes | Yes | ||
| Bristle Softness | Soft | Soft | Soft | Soft | ||
| Battery Life | 180 | 45 | 30 | 30 | ||
| Brushing Modes | 5 | 3 | 5 | |||
| Water Resistance | IPX8 | IPX7 | IPX7 | |||
| Brush Heads Included | 4 | 8 | 8 | 8 | 2 | |
| Vibrations per Minute | 55000 | 40000 | 31000 | |||
