Aliexpress
Click here… to search for 360 Rotating 12V 3 Speeds USB Cooling Fan on Aliexpress
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
Coupon (12.74 USD): TTSUMMER8
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BGHECARE1, BG94ba67, BGAUTO22, BGdcbfa8, BG8a1a71
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for 360 Rotating 12V 3 Speeds USB Cooling Fan is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).