Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. This is new product in my database, so I don’t know if this price is good. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (39.99 USD): BGissam42
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 39.99 USD.
You can set price alert (for Banggood).