Aliexpress
Click here… to search for Bluetooth Switch Pro Gamepad for N-Switch [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I couldn’t find any coupon for this product on latest product update. 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
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 13.99 USD).
You can set price alert (for Banggood).