Gentle Electric Brushes
Compare pressure sensors, gentle modes, intensity settings, timers, and soft-head compatibility without drifting into medical claims.
Shengbei JS309 Smart Sonic Electric Toothbrush: 32,000 RPM frequency
For anyone tired of guessing if they brushed long enough or too hard, this smart electric toothbrush brings precision to your daily routine. It's not just about cleaning teeth; it's about building consistent habits that protect your gums and enamel over time.
The built-in timer ensures you brush for the full two minutes dentists recommend, while the pressure sensor gently alerts you if you're scrubbing too aggressively. You'll feel a subtle pause in the vibrations, a reminder that saves your gums from wear. With multiple modes like sensitive and whitening, you can tailor each session to your needs, and the Bluetooth app tracks your progress to keep you motivated. This toothbrush is waterproof and offers a 30-day battery life, making it reliable for home use or travel. It includes four soft brush heads and charges quickly via USB, so you're always ready to go.
Features
- 30-day battery life
- IPX7 waterproof rating
- Multiple brushing modes
- USB charging
- Bluetooth connectivity with app integration
- Timer with 2-minute function
- Pressure sensors
- Travel lock
- Quick-charge capability
- Includes 4 soft bristled brush heads
- Made with ABS metallic paint and DuPont nylon
- Low noise level under 60db
- Eco-friendly and CE certified
- 32,000 RPM frequency
General specs
- Brand: Shengbei
- Model: JS309
- Seller: Joom
- ID: 69281ddf77d61901e4d966df
- Technology: Sonic
- Battery Type: Li-Polymer
- Power Source: Rechargeable Battery
- Charging Method: USB
- First listed by seller: December 6, 2025
If you are interested in more details, you can find full information on the seller's page.
RUB 5,828.15
Last price update: 2/15/26
Available to order
Price History for seller Joom
| Date | Price |
|---|---|
| 2/15/26 | RUB 5,828.15 |
| 12/6/25 | RUB 5,906.99 |
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | Shengbei | Byer | Soocas | Huawei | Shangheng | BAIR |
| Model | JS309 | X3U | SHZH-039 | A9 | ||
| Color |
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| Rating | ||||||
| Price | RUB 5,828.15 | RUB 10,977.68 | RUB 4,141.58 | RUB 4,361.13 | RUB 2,644.62 | RUB 3,283.33 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | Feb 14, 2026 | Feb 14, 2026 | Feb 14, 2026 | Feb 14, 2026 | Feb 14, 2026 | Feb 14, 2026 |
| Technology | Sonic | Sonic | Sonic | Sonic | Sonic | |
| Battery Type | Li-Polymer | Li-Polymer | Li-Polymer | |||
| Charging Method | USB | USB | Magnetic | Magnetic | ||
| Charging Port | USB | USB-C | USB-C | |||
| Pressure Sensor | Yes | Yes | Yes | |||
| Bristle Softness | Soft | Soft | Soft | |||
Shengbei JS309 32,000 RPM frequency
RUB 5,828.15
When this device makes sense
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