Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – KZ AS10 5BA Earphones Black No Mic (-3 USD)
2. China – KZ AS10 5BA Earphones Cyan With Mic (-3 USD)
Latest coupon code price check (UTC time):
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): 12annv-5, e2bcea, TTxBG10, 2019SPEDM, aff7off, BG3CSUM, bgssaff9, AFfbG10, 502C6B, BGBFAFF2019, BGHUA12396, BGCITYADS2019, Email3, BG20CES, BGVDay10%off, EARSP11, BGAFF10OFF, BGMPB2020, BGTT10, bGhOnEy10, Email5, BGSS10%SW, bgshOOp10, BGELIG0920, BG11SHOP, BG11PP7, 7d18f7, BG4BW25, BGLOAC1, BGBuscape01, BG651551, BGBRPL2, BGHOTSHOP15
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – KZ AS10 5BA Earphones Black No Mic (-3 USD)
2. China – KZ AS10 5BA Earphones Cyan With Mic (-3 USD)
Price history and price alert
Price history (for all/most countries) for KZ AS10 5BA Earphones Cyan No Mic is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).