Smart vs Simple
Compare app coaching, brushing maps, timers, pacers, pressure sensors, and setup friction before choosing an electric toothbrush.
Philips HX9912/77 HX9912/77 DiamondClean Smart Sonic Electric Toothbrush
Available Options
Current
HX9912/77
Joom
$304.10
Available to order
Price history by variant
Volatility: Low
White, 14 days battery, 5 modes, 3 intensities, Travel Case
-4.2%
$319.82
$319.82 — $333.73
HX9912/77
-9.2%
$304.10
$304.10 — $334.74
White with Touchscreen, Bluetooth, 4 Modes, 2 Brush Heads, IPX7
-8.1%
$555.73
$555.73 — $604.53
White
0%
$368.36
$368.36 — $567.39
Burgundy Red, Sonic AI
0%
$774.82
$661.48 — $774.82
Travel Case
0%
$424.22
$424.22 — $436.01
Features
- Sonic technology
- Smart sensor guidance
- Pressure sensor
- Multiple brushing modes
- Diamond-shaped bristles
Product details
General specs
- Brand: Philips
- Model: DiamondClean Smart
- Brand: Philips
- Model: Sonicare DiamondClean Smart
- Product Type: Electric Toothbrush
If you are interested in more details, you can find full information on the seller's page.
$304.10
Last price update: 3/29/26
Available to order
Price History for seller Joom
Shipping options
Delivery to 
Russia
Russia
Available
You know the drill: brush twice daily, floss, and still wonder if you are reaching every surface. The Philips DiamondClean Smart electric toothbrush is built for those who want more than a standard clean. It suits a professional tracking gum health or a parent teaching teens better habits. While many focus on whiter teeth, the real value here is how it turns a routine into a guided health check. The smart sensors and real-time feedback through the Philips Sonicare app coach you through each session, mapping where you brush and highlighting missed spots. After finishing, a 3D mouth map shows your coverage, a small detail that changes how you think about brushing.
You feel the difference the first time you use it. The brush pauses momentarily if you press too hard, a gentle nudge that protects your gums. With the tongue care mode and adaptive brush heads, you tailor each session to your needs. The travel case charges the handle via USB, so your routine never slips, even on a hectic business trip. This toothbrush tracks your behavior and helps you build lasting habits, giving you confidence that your smile is truly clean.
Philips HX9912/77 Black Sonic technology
$304.10
When this device makes sense
Product confidence
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