Aliexpress
Click here… to search for Xiaomi AI Touch Screen Bluetooth 5.0 Speaker on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (71.99 USD): 7d18f7
(CouponsFromChina.com tip: this code has to be applied 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): 502C6B, TTxBG10, BG3CSUM, AFfbG10, BGBFAFF2019, BGCITYADS2019, Email3, BGVDay10%off, EARSP11, BGAFF10OFF, bGhOnEy10, Email5, BGSS10%SW, bgshOOp10, BGELIG0920, BG11PP7, BG4BW25
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi AI Touch Screen Bluetooth 5.0 Speaker.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).