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Overview

Improve your oral care routine with the Philips Sonicare DiamondClean Smart 9300. Featuring smart sensor technology, Bluetooth app connectivity, four brushing modes, pressure sensor alerts, and premium sonic cleaning performance for healthier teeth and gums.

Philips Sonicare DiamondClean Smart 9300 Electric Toothbrush - Gray

Model: HX9903/45
Web Code: 19911466
Sold and shipped by | 4.4 seller rating (18 reviews)

Sale ends: *

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Philips Sonicare DiamondClean Smart 9300 Handle
  • Premium Plaque Control Brush Head
  • Premium Gum Care Brush Head
  • Premium TongueCare Brush Head
  • Charging Glass
  • USB Travel Charging Case
  • Documentation

The Philips Sonicare DiamondClean Smart 9300 is a premium electric toothbrush designed to deliver personalized oral care. Equipped with Bluetooth connectivity, smart brush head recognition, pressure sensor technology, and real-time feedback through the Sonicare app, it helps improve brushing habits and oral health. Featuring four brushing modes and three intensity settings, the DiamondClean Smart 9300 removes plaque effectively while protecting teeth and gums. The sleek charging glass and travel charging case add convenience for home and travel use.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Personal Care
Return/Exchange Period
30 days
Condition
Unopened, No signs of use

Due to hygiene concerns, this product cannot be returned if opened

Learn more about returning a Marketplace product