Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (4.64 USD): 2203ActiesNL
(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
Old coupons (from the oldest to the newest): TTxBG10, BG3CSUM, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGAFF10OFF, BGTT10, bGhOnEy10, BGdragonBoat, BgoFErTaSchInA10, BgcLuBofErtA10, BANGGOODSD, 00c906, BGef96eb, Kortings10, 2022ACTIESNL, Terence, BG1efeb0, MVC8SPRING
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Crystal Keyboard Cover 13.3inch.
Price records source(s): Gearbest, Banggood
Click on image to enlarge.
You can set price alert (for Banggood).