Philips DiamondClean Smart 9900 Electric Toothbrush Duo Pack: SenseIQ technology
This Philips Sonicare DiamondClean Smart 9900 Duo Pack is for couples who want to upgrade their oral care routine together. While many electric toothbrushes focus on cleaning power, this one acts as a personal dental coach for your home. The SenseIQ technology adapts to your brushing style in real-time, so you get a tailored clean without overthinking it.
You will notice the gentle vibration feedback when you press too hard, preventing gum irritation before it starts. The app tracks your progress and sends reminders to replace brush heads, making maintenance effortless. With Bluetooth connectivity and two handles in the pack, it is easy to sync both brushes for coordinated care. Enjoy up to 14 days of use on a single charge, and the vegan leather travel case keeps everything organized on the go.
Features
- Pressure sensor with light ring feedback
- Motion and coverage sensing up to 100 times per second
- Automatic intensity adjustment based on pressure
- 15 brushing settings (5 modes x 3 intensity levels)
- Premium All-in-One A3 brush head
- USB-C travel charger
- USB-C charging case
- Bluetooth connectivity to Philips Sonicare app
- Real-time coaching and personalized guidance via app
- BrushSync mode-pairing and replacement reminders
- 2-year limited warranty
- Operating time: up to 14 days on a single charge
- Battery type: rechargeable
- Handle dimensions: 0.71 inches shorter than predecessor
- Travel case material: soft-touch vegan-friendly leather
- Charger base included
- Weight: 4.4 lbs for duo pack
- Bristle movements per minute: 62,000
- Sonicare Fluid Action technology
- Pressure feedback via gentle vibrations
- Tracking and progress reports in app
- QuadPacer feature for brushing technique
- SmarTimer for 2-minute brushing
- Included accessories: 1x A3 Premium All-in-One brush head, 1x Prestige USB charging case, 1x USB-C charger cable, 1x charger base
- SenseIQ technology
General specs
- Brand: Philips
- Model: DiamondClean Smart 9900
- Seller: Joom
- ID: 69281b68127a6001cc75a35a
- Brand: Philips
- Model: DiamondClean Smart 9900
- Product Line: Sonicare
- Product Type: Electric Toothbrush
- Smart Features: Smart
- Brush Technology: Sonic
- Pack Configuration: Duo Pack
- 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
| Date | Price |
|---|---|
| 2/28/26 | $361.35 |
| 12/6/25 | $377.18 |
Shipping options
United States
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Philips DiamondClean Smart 9900 SenseIQ technology
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Philips HX9923/11 Black
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Oral-B PRFZ7 Black Superior plaque removal vs. manual toothbrush
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| Brand | Philips | Philips | Oral-B | Philips | Philips | Oral-B |
| Model | DiamondClean Smart 9900 | HX9923/11 | PRFZ7 | HX9923/41 | HX9957/71 | D706.513.6X |
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| Rating |
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| Price | $361.35 | $279.96 | $143.39 | $279.96 | $339.96 | $199.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 27, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Jan 21, 2026 | Feb 7, 2026 |
| Technology | Sonic | Sonic | Sonic | |||
| Brushing Modes | 5 | 5 | 5 | |||
| Pressure Sensor | Yes | Yes | Yes | |||
| Brush Heads Included | 2 | 2 | 4 | |||
