Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
, Age Group: Adults, Brand Name: OCLEAN, Type: Acoustic Wave, Brand Name: OCLEAN, Item Type: Electric Toothbrush, Model Number: Oclean F1, Commodity Quality Certification: 3C, Quantity: 2, Material: Plastic, Size: 19.2*6.8*3.1, Bluetooth Connection: NO, , APP CONTROL: NOT SUPPORT, Commodity Quality Certification: CE
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. ($32.99): BGMAY079
2. ($44.99): BG10OFFAFF
3. ($44.99): BGwhielabel
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): BGBG2PCS2, BG2PCS2
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for 2 pcs. Oclean F1 Sonic Toothbrush is here.
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)).