Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. Hmmm… There is no active coupon in Banggood at this moment. I can’t tell you if this price is good – not enough records in my database, so I won’t judge.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BG1e7525, BGd9d187, BGa1f035, BG74f1c8, BG83eb61, DealBGimpact, BG78baeb, Cuponation9, 9OFFSUMMER, BGAHPU13, BG8ReviTrage, BGeaf456, TTBLACK5, BG61d45e
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: 39.99 USD.
You can set price alert (for Banggood).