sonic vibrating 42000 strokes per minute, 280gf.cm strong torque output, strong torque output, DuPont Tynex Brilliance bristle, improved with German Pedex brush, 3 Cleaning Modesx 4-grade Cleanness, Charging in 3.5 Hours for Full, IPX7 Waterproof Rating, Battery capacity: 2600mAh.
You can create price alert here, copy coupons and view price history. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($67.49): BGHONEY2110
2. ($67.49): BG10OFFAFF
3. ($73.99): 13f142
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGONE99, dddf57, 502C6B, vipupgrade8, bGhOnEy10, BGTMCB7, bgshOOp10, BGHB20, BgoFErTaSchInA10, BGSD58965, BgcLuBofErtA10, 7d18f7, BGHBHJ107, BGAFF10OFF, BGCuponation10
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Oclean One Sonic Toothbrush ($-3)
2. China – Xiaomi Oclean One Sonic Toothbrush Pink ($-3)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Oclean One Sonic Toothbrush Black. The lowest price was: $49.99.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
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)).