Check coupons or create price alert down below. You probably want to know what is the best price?
Battery capacity 2000mAh, Color Pink/Purple/Yellow/Blue, Brand T-FLASH, Waterproof rating IPX7, Model O2, Weight 750g, Water pressure range 40-120psi, Rated input 5V=1A, Water tank capacity 200ML, Charging method Type-C, Charging time 4-5 hours, Size As picture shows
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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($46.74): BGHB218
2. ($51.14): 2022ACTIESNL
3. ($51.69): BG00c906
apply code in your basket (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): BGXPJA112, BGXPJA101, BGHealth10D
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for T-FLASH O2 Water Flosser? There we go.
Price records source(s): 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)).