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Philips Sonicare DiamondClean Smart 9300 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9903/15
- Advanced sonic toothbrush for improved oral health: up to 20x more plaque removal vs. a manual toothbrush, up to 15x healthier gums¹, and up to 100% less stains
- Personalize your brushing with this innovative electric toothbrush: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals
- Real-time feedback: the light ring on the end of your handle will flash if you use too much pressure, reminding you to ease off the pressure and protect your teeth and gums
- Personalized guidance: connect your toothbrush to the Philips Sonicare app and receive personalized brushing guidance to maintain and improve your brushing habits
- #1 dental professional recommended sonic toothbrush brand worldwide³: benefit from Philips expertise to keep your teeth and gums in the best condition
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 2 years
- Limited Warranty period (labor): 2 years
- Read full details
Return Policies
- Return for refund until: January 31, 2026
- Return for replacement until: January 31, 2026
- This item is covered by Newegg.com's Extended Holiday Return Policy. Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-682-7664
- Support Website
- View other products from Sonicare
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