Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Philips Sonicare 6400 is a rechargeable sonic toothbrush with three brushing speeds and a built-in pressure sensor that pulses when you press too hard. It sits in the middle of Sonicare's lineup: more control than the entry 4100, less than the app-connected 9500. Owners like the simple two-button operation and the long battery life; some find the vibration ticklish at first and the brush heads pricey to replace.
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Lowest price we've seen: $104.49 on Nov 14 at Walmart. Tracked across 3 stores since Nov 14.
Owners rate the 6400 as a solid mid-range Sonicare: easy to use, gentle on gums with the pressure sensor, and with battery life that lasts about two weeks. The main complaints are the cost of replacement heads and the lack of app features.
The Philips Sonicare 6400 is a rechargeable electric toothbrush in white. It has a built-in pressure sensor and three brush speeds.
