Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Input Parameter 5V=1A, Dimensions 70.5mm X 161. 5mm X 40mm, Pressure Frequency 1600 Time/Min(0.6mm Dia.), Water Tank 180ML, Battery Type Lithium Battery, Product Net Weight 257.6g (host +1 nozzle), Rated voltage 3.7V, Charging Time 4 Hours, Rated Power 5W
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Dr.Bei Portable Oral Irrigator F3 Travel Electric Water Flosser USB Rechargeable Dental Water Jet Oral Irrigator Cleaner | $43.60 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($54.97): BGHB218
2. ($60.79): BG00c906
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): BGMDr2, BG00000, vipupgrade8, BGDrB2, BG9922, BGHHH2, bgshOOp10, BGHB20, bGhOnEy10, BgoFErTaSchInA10, BGSD58965, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BG10OFFAFF, BGwhielabel, 13f142, BG10OFFAFF1, BANGGOODSD, BGHealth06, 00c906, BGHealth10D, 2022ACTIESNL
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Dr.Bei Oral Irrigator.
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)).