Very good90/100
- Very good cleaning performance
- Very good to use
- Good equipment
- Pressure control
- No key lock
- Handpiece rolls away on flat surfaces
−19%
Philips Sonicare DiamondClean 9900 Prestige
Delivered Tue, 18.8.
More than 10 pieces in stock
More than 10 pieces in stock
free shipping
Product details
The Philips Sonicare DiamondClean 9900 Prestige HX9813/98 is a premium electric toothbrush that combines advanced cleaning technology with smart features for personalized oral care. As a modern sonic toothbrush, it utilizes next-generation Sonicare technology with up to 62,000 brush head movements per minute, supporting thorough plaque removal and gentle cleaning of teeth and gums. The A3 All-in-One brush head removes up to 20 times more plaque than a manual toothbrush, supports up to 15 times healthier gums, and helps visibly reduce surface stains. SenseIQ technology detects brushing behavior and pressure in real time and automatically adjusts cleaning intensity. The Philips toothbrush features intelligent brushing coverage feedback, pressure control, and a brush head replacement reminder function. Eight brushing programs and three intensity levels allow for individually tailored oral care. Via the integrated touch display and the connected app, the Philips Sonicare offers real-time coaching, progress reports, and personalized health tips. With a premium travel case, charging glass, and up to 14 days of battery life, the Philips Sonicare DiamondClean 9900 Prestige HX9813/98 is ideal for the highest demands in daily dental care.
Up to 20x better plaque removal compared to a manual toothbrush, as well as support for up to 15x healthier gums and the reduction of surface stains.
SenseIQ technology analyzes brushing behavior in real time and automatically adjusts intensity for gentle cleaning.
Direct brushing feedback via smart touch display.
Eight brushing programs and three intensity levels enable individually tailored oral care for different needs.
Scope of delivery: 1x Philips Sonicare DiamondClean 9900 Prestige Handpiece, 1x A3 All-in-One brush head, 1x Premium travel case, 1x Charging glass
Target group | Adults |
Toothbrush type | Sonic toothbrush |
Equipment + Functions | App supports, Bluetooth, Brush head change reminder, Charge level indicator, Cleaning coach, Display, Print feedback, Timer |
Number of levels | 8x |
Power supply | Rechargeable battery operated |
Battery life | 0.90 h |
Scope of delivery | 1x brush head, 1x charging case, 1x charging glass, 1x handle |
Item number | 70618677 |
Manufacturer | Philips Sonicare |
Category | Electric toothbrush |
Manufacturer No. | HX9813/98 |
Release date | 24.7.2026 |
Sales rank in Category Electric toothbrush | 124 of 1064 |
Colour | Blue |
Exact colour description | Blue |
Target group | Adults |
Toothbrush type | Sonic toothbrush |
Equipment + Functions | App supports, Bluetooth, Brush head change reminder, Charge level indicator, Cleaning coach, Display, Print feedback, Timer |
Cleaning programme | Daily clean, Deep clean, Gum massage, Sensitive, Whitening |
Number of levels | 8x |
Country of origin | China |
CO₂ emissions | 8.3 kg |
Climate contribution | CHF 0.21 |
Power supply | Rechargeable battery operated |
Battery life | 0.90 h |
Charging variant | Charging station, Travel pouch |
Battery type | Li-ion |
Mains voltage | 100 - 240 V |
Scope of delivery | 1x brush head, 1x charging case, 1x charging glass, 1x handle |
Length | 24 cm |
Width | 17.20 cm |
Height | 10.10 cm |
Weight | 1.08 kg |
Specifications may include unverified machine translations.
30-day right of return
24 Months Warranty (Bring-in)
1 additional offer
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Electric toothbrush» category have a defect within the first 24 months?
Source: Digitec Galaxus- 13.Zahnheld3.2 %
- 14.Ailoria3.3 %
- 15.Philips Sonicare3.5 %
- 16.Clean3.7 %
- 17.happybrush3.8 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 8.Oclean1 day
- 9.happybrush2 days
- 9.Philips Sonicare2 days
- 11.Clean3 days
- 11.Silk'n3 days
Return rate
How often is a product of this brand in the «Electric toothbrush» category returned?
Source: Digitec Galaxus- 3.Panasonic0.6 %
- 4.Sonisk0.7 %
- 5.Philips Sonicare0.8 %
- 5.Waterpik0.8 %
- 7.Ailoria1 %
Source: Digitec Galaxus
Translation: machine translated
Overall ratingVery good91/100
CHIP OnlineSingle testReleaseJanuary 2026
When it comes to cleaning, the Philips Sonicare is hard to beat. The cleaning performance is convincing. Less convincing, however, are the comparatively short battery life and the need for an app to change the cleaning programme or activate the pressure sensor.
This test report belongs to a different type: DiamondClean 9900 Prestige
Very good97/100
The Sonicare 9900 is equipped with a variety of sensors that constantly monitor your brushing behaviour. Among other things, they detect the pressure, where you are brushing and how long certain areas are cleaned. If too much pressure is applied during brushing, the smart toothbrush automatically reduces the power to prevent damage to teeth and gums...
Very good94/100
The Philips sonic toothbrush has a high-quality finish, is pleasant to use and cleans very thoroughly. It is also equipped with useful accessories and the accompanying app provides valuable tips to improve the brushing results.
This test report belongs to a different type: DiamondClean 9900 Prestige
Very good84/100
Luxury model with very good tooth cleaning. The high-priced and lavishly equipped sonic toothbrush from Philips cleans the teeth very well. It scores well in the categories handling, durability and environmental properties. The accessories include an optical pressure control and a travel case with charging option...