Speaker Size 50mm, Wearing Type Over-ear, Brand Lenovo, Material ABS, RGB Light Support, Model H3, Usage Pattern Wired, Sound Effect Bass level, Color Black.
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Updated:
Banggood
Warehouse in China.
Link: Lenovo H3 Wired Headphones 50mm
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!
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Check out price history chart (for all/most countries) for Lenovo H3 Wired Headphones 50mm. The lowest price was: $21.99.
Price records source(s): 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)).