Just check coupons out (with price alert and history). What is best price?
Color: Light Brown/ Dark Brown, Operation Mode: Mechanical Control, Rated Voltage: DC 5V, Lack of Water and Power pProtection: Support, Function: Aroma, Power: 4W Standard Version/ 8W Bluetooth Version, Applicable Area: 21-30m², Material: PP, Water ank Capacity: 400ml, Noise: 30 dB, Power Supply: USB, Type: A: Standard Version, B: Bluetooth Version
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. Coupons for 400ml Electric Ultrasonic Air Mist Humidifier [EU]? Nope, there’re no coupons in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG233c8d, BGe055a6, ADMITAD2212, BGGR2201, 2203ActiesNL
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for 400ml Electric Ultrasonic Air Mist Humidifier [EU].
Price records source(s): Banggood
Click on image to enlarge. ![Price history for 400ml Electric Ultrasonic Air Mist Humidifier [EU]](https://couponsfromchina.com/pricehistory/History32070.png "400ml Electric Ultrasonic Air Mist Humidifier [EU] price history")
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).