Oclean Air 2 Sonic Toothbrush (Banggood, Aliexpress: Waterproof Level: IPX7, Main Power: 2.5W, Product Name: Ocean Air 2 Smart Sonic Electric Toothbrush, 2. 5 hours full charge for 40 days of battery life, Mode: Gentle (Default Mode), Brush Head: Magnetic brushless moto, Input: 5V / 0.5A, Clean, Motor: Magnetic brushless motor, Weight: 95g (Including toothbrush body and head), Charging Specification: USB Magnetic Charging, Size: 235x 24mm (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
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. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($45.04): BG75597c
apply it 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): BgcLuBofErtA10, BGOC279, BGAIR229, BGAIR2499, BGAR3677, BGAFF10OFF, BGCuponation10, BG22371, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BGHB218, BGXPAP293, 2203ActiesNL, BGHUMA051, BGHECARE1, BG5a9339, BG4ee866, BGHOM020, BGHUXC023, BGcd7367, Cuponation9, BG36a004, 9OFFSUMMER, BG153121, BG989d84, BGf4eef2, BG3fc3f7, BG606174, BGcc265b
(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 Oclean Air 2 Sonic Toothbrush is here. The lowest price was: $22.99.
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)).