Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – KZ ATR Earphones with Mic (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
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): 502C6B, TTxBG10, 2019SPEDM, BG3CSUM, bgssaff9, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, EARSP11, BGAFF10OFF, bGhOnEy10, 13f142, BGSS10%SW, BGELIG0920, BG11SHOP, BG4BW25, BGLOAC1, BGa0b145, BGBuscape01
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – KZ ATR Earphones with Mic (-3 USD)
Price history and price alert
Price history (for all/most countries) for KZ ATR Earphones Black is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).