I have checked all old coupons and price is 172.03 USD for Xiaomi MIJIA Handheld Wireless Vacuum Cleaner 2 Lite (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon code price check (UTC time):
Banggood (172.03 USD)
Banggood warehouse is located in China. What about the price? This price is higher than average price (159.43 USD) for this item. There is one coupon right now! Check this out.
Link: Banggood product page
Price without coupon: 186.99 USD
Coupon (172.03 USD): BGESJY8
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi MIJIA Handheld Wireless Vacuum Cleaner 2 Lite.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).