Xiaomi Oclean One Sonic Toothbrush Black (Banggood, Aliexpress: 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 (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. Best price?
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):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($67.49): BGHONEY2110
2. ($67.49): BG10OFFAFF
3. ($73.99): 13f142
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGONE99, dddf57, 502C6B, vipupgrade8, bGhOnEy10, BGTMCB7, bgshOOp10, BGHB20, BgoFErTaSchInA10, BGSD58965, BgcLuBofErtA10, 7d18f7, BGHBHJ107, BGAFF10OFF, BGCuponation10
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Oclean One Sonic Toothbrush ($-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)).