6 Pcs 120mm RGB Fans with Music Controller [EU] (Banggood, Aliexpress: Speed: 0~1200RPM, Bearing type: Hydraulic Bearing, Size: 12*12CM/4.7*4.7in, Material: ABS（Acrylonitrile Butadiene Styrene）, Number of blades：11, Noise: 25dBA, Product Name: RGB PC Case Fan, Fan line length：480mm±10mm, Fan connector: 6 Pin, Air volume: 38CFM +10%, Voltage: 5V 12V, Color: Multicolor (the best price with coupon)).
Just check coupons out (with price alert and history). 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 Europe 
. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. I don’t really know if this price is reasonable, coz there’s no price history in my DB.
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): 2203ActiesNL, BG1efeb0, MVC8SPRING
(these coupons are old, so probably won’t work)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $20.99 though.
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)).