Low noise, high wind.
Go down and check coupons out. Remember to check price history if it is available. Best price?
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($10.99): BGfan330
2. ($14.82): BGHOMEAPP
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): XMIF25, PICODICOM, BGAPPLIANCE, BGLIFE307, BGHG522, BG3LIFE330, BGAPPLIANCE1, BG3life33, bGpAnDacHeCk, BG330fan
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi 3life 330 Portable Mini Fan? There we go. The lowest price was: $7.99.
Price records source(s): Banggood
Click on image to enlarge. 
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)).