Xiaomi Portable Handhold Fan Green (Banggood, Aliexpress: 2000mAh built-in battery, 7-blade design, 30dB(A) super mute design, 3-gear adjustable wind and brushless motor (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items 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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($14.68): AFfbG10
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 99a5c1, BGVDay10%off
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Portable Handhold Fan Blue ($-3)
2. China – Xiaomi Portable Handhold Fan Orange ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi Portable Handhold Fan Green is here. The lowest price was: $9.69.
Price records source(s): Gearbest, 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)).