Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Humidifier CJJSQ01ZM [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
Coupon (210.62 USD): 00c906
(CouponsFromChina.com tip: coupon code has to be applied in shop’s 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): d1382f, PICODICOM, 715556, Wholesale20, bgssaff9, BGaDmITAd, BGBFAFF2019, BGCITYADS2019, BG9NY, BGXMFTR, BGHOMEAPP, BGSTCJ, BGTT10, bGhOnEy10, 7bcdf9, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEAPP13, BGCJJSQ01ZM, BGJSQ01ZM, BGHOMEA13, BGAHUM11, BGCDC026, BGCJJSQ01, BG21CJJSQ01ZM, BGCuponation10, BG01ZM4CZ, BG10OFFAFF, BGwhielabel, BGACZSM, BG10OFFAFF1, BGcba346, BGb48b1a, 6GSGIT, BG4dd22e, BGBFD42, BG4ea24e, BGHUA12
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Humidifier CJJSQ01ZM [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Humidifier CJJSQ01ZM.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).