When I was updating this page the price was 22.99 USD for Control 3D (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood (22.99 USD)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. What about the price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 11.42 USD)
Link: Banggood product page
Price: 22.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGcf4c52, BGfbb65b, BG14b95c, BG03cbcd, BGb9ed7c, BG00c906, BG68b1e7, 2022ACTIESNL, BGdff1ef, BGf24180, BG15beeb, BGLED2203, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGf94f14, BGLED2206, BGM6B23, Cuponation9, BGMUML766, 9OFFSUMMER, BGLED07, BG8ReviTrage, BGccec78, BGLEDNOV2022, BG589b2e
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
Click here… to search for Sound Control 3D Rhythm Light RGB on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Sound Control 3D Rhythm Light RGB.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).