Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… One coupon is available. Cool!
Link: Banggood product page
Coupon (11.24 USD): BG00c906
(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): BGwhielabel, BGLIG12, BG10OFFAFF1, BANGGOODSD, 6GSGIT, 00c906, ADMITAD2212, 2022ACTIESNL, Terence, BGLED2203, 8Couponsde, MVC8SPRING, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGf94f14, BGLED2206, TTSUMMER8, Cuponation9, BGLED07
(these coupons are old, so probably won’t 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 9.99 USD).
You can set price alert (for Banggood).