I have just checked coupons. The lowest price I could get is 19.99 USD for Mini Cooling Fan with Negative Ion Technology 2000mAh (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is best price?
Latest coupon and price update (UTC):
Banggood (19.99 USD)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. Is it cheap? Pretty sweet, this is the lowest price I have ever noted for this product!
Link: Banggood product page
Price: 19.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Coupon (7.6.2024, $18.99): BG50538b
Item: Mini Cooling Fan with Negative Ion Technology 2000mAh
Countries: Greece, Hungary, Poland
Coupon (7.6.2024, $20.99): BGbe761d
Item: Mini Cooling Fan with Negative Ion Technology 2000mAh
Countries: CzechRepublic, Greece, Hungary, Poland, Slovakia(SlovakRepublic), Slovenia
Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Mini Cooling Fan with Negative Ion Technology 2000mAh? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).