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40000 strokes/min, Battery capacity: 700mAh, 4000 high-density planting, effectively reducing plaque, 30 days to use, 2 hours fast charging
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Price history and price alert
Price history (for all/most countries) for SEAGO S2 Sonic Toothbrush Black is here.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).