Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BG083b2b, BGBRPL2, BG0f5004, BG966137, BG38f0f1, BGHOTSHOP15, BGd8d23e, BG53e9c8, BGAlerabatKL, BG10c544, BGd173b4, BGAudioVideo, BGAUDIO, BG9ba0e8, BG1b5830, BGAudio3
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Lenovo LP12 Thinkplus Bluetooth 5.0 Headphones is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).