SEAGO E1 Sonic Electric Toothbrush (Banggood, Aliexpress: High frequency of 35, 000 times/min, Super IPX7 waterproof design, Package Contents: 1x Toothbrush (Main Body), 3x Brush Head, 1x English Specification (the best price with coupon)).
You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. As you can see I didn’t find any active coupon for this product right now…
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGXPFE162, BGHB218, BGXPMA157, 2203ActiesNL, tRaDetRaCKeR, BGHECARE1, BG4ee866, BGHOM083, BG8ReviTrage, Cuponation9, BG75597c, BG30eab6, BG589b2e, BG0328e
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for SEAGO E1 Sonic Electric Toothbrush is here. The lowest price was: $7.33.
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)).