Aliexpress
Click here… to search for Xiaomi Air Lite Earbuds Global on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. There is one great coupon!
Link: Banggood product page
Coupon (48.99 USD): 13f142
(CouponsFromChina.com tip: apply code in your basket (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): BGlite02, BGAFF10OFF, bGhOnEy10, BGLITE811, BGSS10%SW, bgshOOp10, BGELIG0920, BG11SHOP, BG4BW25, BGLOAC1
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for Xiaomi Air Lite Earbuds Global is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).