Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. Sorry, but there’s no price history in my database. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (14.40 USD): BG78f4a1
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG384a90
(there’s a little possibility that old coupon will work)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 14.4 USD).
You can set price alert (for Banggood).