Philips DiamondClean Smart 9900 Electric Toothbrush: AI-powered smart sensor
For the busy professional who wants a dentist-clean smile without the guesswork, this Philips Sonicare DiamondClean Smart 9900 AI electric toothbrush transforms your morning routine. While most toothbrushes focus on basic cleaning, this one offers personalized coaching through its AI technology, acting like a dental hygienist in your bathroom.
The brush syncs with an app to track your brushing in real-time, ensuring you cover every zone of your mouth. You will notice it gently pulses when you press too hard, preventing gum damage. With features like pressure sensors and multiple cleaning modes, it adapts to your needs, giving you confidence in your oral health daily.
Features
- DiamondClean brush head technology
- Bluetooth connectivity
- Pressure sensor
- Multiple brushing modes
- Long battery life
- AI-powered smart sensor
General specs
- Brand: Philips
- Model: DiamondClean Smart 9900
- Seller: Joom
- ID: 69281f4153b82d01f77402f2
- Timer: Smart Timer
- Technology: Sonic
- Suitable For: Adults
- Pressure Sensor: Yes
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
Shipping options
United States
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| Brand | Philips | Philips | Oral-B | Oral-B | Philips | Philips |
| Model | DiamondClean Smart 9900 | HX9923/11 | SmartSeries5000 | D 36.535.5 X WH | HX3681/24 | HX9957/71 |
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| Price | $524.43 | $279.96 | $59.94 | $59.94 | $39.99 | $339.96 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 23, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Jan 21, 2026 | Jan 21, 2026 |
| Timer | Smart Timer | 2-minute | 2-minute | 2-minute | 2-minute | |
| Technology | Sonic | Sonic | Magnetic Levitation | Magnetic Levitation | Advanced Sonic Technology | Sonic |
| Suitable For | Adults | Children | Children | |||
| Pressure Sensor | Yes | Yes | Yes | Yes | yes | Yes |
| Battery Life | 10 | <num1>, <num2> | 14 days | |||
| Battery Type | Li-Polymer | Li-Polymer | Rechargeable | |||
| Brush Heads Included | 2 | 1 | 1 | 4 | ||
