Philips HX9912/78 DiamondClean Smart Sonic Electric Toothbrush: Sonic technology
For anyone tired of guessing if they're brushing right, this Philips Sonicare toothbrush is your smart coach. It's not just about cleaning teeth; it's about building confidence in your daily routine.
The pressure sensor gently pulses to remind you when you're brushing too hard, protecting your gums. You'll notice a cleaner feel after just one use, with plaque removed from hard-to-reach spots. It syncs with an app to track your brushing habits, offering personalized tips for improvement. Compatible with Alexa for voice-guided routines, it makes oral care effortless and effective.
Features
- Smart connectivity
- DiamondClean brush head
- Multiple brushing modes
- Rechargeable battery
- Sonic technology
General specs
- Brand: Philips
- Model: HX9912/78
- Seller: Joom
- ID: 69284c45464b4c012079ba23
- Timer: Smart Timer
- Technology: Sonic
- Power Source: Rechargeable Battery
- Suitable For: Adults
- Pressure Sensor: Yes
- Brush Head Shape: Round
- Head Compatibility: Oral-B
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$421.64
Last price update: 12/10/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
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| Brand | Philips | Philips | Oral-B | Oral-B | Philips | Philips |
| Model | HX9912/78 | HX9923/11 | D706.513.6X | SmartSeries5000 | HX9957/71 | HX9923/41 |
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| Rating |
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| Price | $421.64 | $279.96 | $199.99 | $59.94 | $339.96 | $279.96 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 5, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Jan 21, 2026 | Feb 7, 2026 |
| Timer | Smart Timer | 2-minute | 2-minute | 2-minute | ||
| Technology | Sonic | Sonic | Magnetic Levitation | Sonic | Sonic | |
| Pressure Sensor | Yes | Yes | Yes | Yes | Yes | |
| Brushing Modes | 5 | 5 | 5 | |||
| Brush Heads Included | 2 | 1 | 4 | 2 | ||
Philips HX9912/78 White Sonic technology
$421.64
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