Just check coupons out (with price alert and history). Do you want to know what the best price is?
Bluetooth: 4.2, Material: PC, Battery capacity: 800mAh, Battery life: 30 days, Charging source: USB quick-charging magnetic base, Input: 5V / 1A, Waterproof Rate: IPX7, Charging time: 2.5 hours
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Oclean Air Sonic Toothbrush Sakura Pink? There we go.
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)).