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

Beauty · sold by Walmart.com · ★ 4.2 (49 reviews at Walmart)

Watching for a drop

$339.96 at Walmart; it usually sells for $330.55. It counts as a deal at $264.44 or less, $75.52 below today’s price. It has sold for as little as $271.97 at Amazon.

Now: $339.96
Usually: $330.55; based on Amazon sellers' 90-day average
Deal at: $264.44; $75.52 to go

View at Walmart ↗ Open in RestockR Deals Price checked Oct 8, 2026, 9:40 AM ET

Price history since Oct 6

$300$350 Usual $330.55Deal $264.44

Now $339.96 · lowest $339.96 (Oct 6) · highest $339.96 (Oct 6) since Oct 6.

Price changes (1)

Changed	Price	Stock
Oct 6, 2026, 6:06 PM ET	$339.96	In stock

Prices at every store

WalmartLowest priceThis listing

checked Oct 8, 2026, 9:40 AM ET
$339.96 View at Walmart ↗
AmazonLowest price

Price as of Oct 8, 2026, 3:15 PM ET · usually $339.96 · lowest $271.97
$339.96 View at Amazon ↗
Best Buy

checked Oct 8, 2026, 1:11 PM ET
$339.99 View at Best Buy ↗