Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 1
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 2
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 3
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 4
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 5
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 6
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 7
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 8
Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 - image 9
Price Drop

Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71

-17%

$279.96

$339.99

Current Price
$279.96
List Price
$339.99
30-Day Avg
$339.99
Lowest Ever
$238.99
ASIN
B0CM41TKPD
Model
HX9957/71
Color
New Lunar Blue
Size
7 Count (Pack of 1)
Verified Low Price!

Best for

  • Sonic Shoppers
  • Philips Sonicare Fans

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Price History

Price history chart is not available

In-Site Price History

ProductCurrent PriceOriginal PriceDiscountStatus
Philips Sonicare DiamondClean Smart 9700 Electric Toothbrush - Sonic Toothbrush with App, Pressure Sensor, 15 Brushing Settings, Replacement Reminder, Charging Travel Case, Lunar Blue, HX9957/71
$279.96
$339.99
-17%
Price Drop ✓ Verified Low Price
Philips Sonicare DiamondClean Smart 9700 Electric Toothbrush - Sonic Toothbrush with App, Pressure Sensor, 15 Brushing Settings, Replacement Reminder, Charging Travel Case, Lunar Blue, HX9957/71
$279.96
$339.99
-17%
Price Drop
Philips Sonicare DiamondClean Smart 9700 Electric Toothbrush - Sonic Toothbrush with App, Pressure Sensor, 15 Brushing Settings, Replacement Reminder, Charging Travel Case, Lunar Blue, HX9957/71
$279.96
$339.99
-17%
Price Drop
Philips Sonicare DiamondClean Smart 9700 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 5 Brushing Modes and 3 Intensity Levels, Lunar Blue, Model HX9957/71
$279.96
$339.99
-17%
Price Drop

Details

A3 Premium All-in-One brush head with multi-angle bristles removes up to 2000% more plaque than a manual toothbrush; achieve 1500% healthier gums in six weeks², and up to 100% more stain removal³
Gentle yet effective clean with up to 62,000 bristle movements per minute; Sonicare Fluid Action supports the bristles to clean by driving fluid deep between teeth and along the gumline
This electric toothbrush for adults has a light ring at its base that gently lets you know if you're overdoing the pressure; simply ease off when it lights up to help your gums stay protected
Enhance your oral care routine with 15 brushing settings; select from 5 modes − Clean, White+, Gum Health, Deep Clean+ and Tongue Care − and adjust to one of three intensity levels
Achieve your oral health care goals with the Sonicare toothbrush and app: the two pair seamlessly to deliver guided brushing, tips and tricks, and content personalized to you
Brush head replacement reminder tracks how often and how hard you brush, then reminds you to replace your brush head once it's time; dental professionals recommend changing your brush head regularly
Rechargeable toothbrush providing up to 14 days of regular brushing on a full charge; with the included charging travel case, you can maintain your oral care routine, even while on the go
The set includes: 1x DiamondClean Smart 9700 sonic electric toothbrush, 1x A3 Premium All-in-One & 3x C3 Premium Plaque Control brush heads and more - see the "what's in the box" section

Deal Summary

This Philips Sonicare deal offers the Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 for $279.96 USD, down from $339.99 USD, representing a 18% discount. Last verified on .

Current Price
$279.96 USD as of
Original Price
$339.99 USD
Discount
18% off
Brand
Philips Sonicare
Category
Today's new
ASIN
B0CM41TKPD
Last Verified

Why this deal is notable

The current 18% discount is one of the lowest prices we have tracked for the Philips Sonicare DiamondClean 9700 Electric Toothbrush, 7 Brush Heads, Blue | 2000% More Plaque Removal¹, Visual Pressure Sensor, 15 Brush Setting, App Connected, 14-Day Battery, Charging Case, HX9957/71 in the last 90 days on Amazon. Over 50 buyers purchased this this brand item in the past month. Stock is currently available on Amazon as of November 3, 2026.

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