Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – KZ ZSA Earphones with Microphone Black (-3 USD)
2. China – KZ ZSA Earphones without Microphone Black (-3 USD)
3. China – KZ ZSA Earphones Gray Without Mic (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Coupons for KZ ZSA Earphones Gray With Mic? Nope, there’re no coupons 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): e2bcea, TTxBG10, 2019SPEDM, aff7off, BG3CSUM, bgssaff9, AFfbG10, affbg10, 502C6B, 0e7f33, FBCOUPON1, BGLOAC1, 13f142, BGa0b145
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – KZ ZSA Earphones with Microphone Black (-3 USD)
2. China – KZ ZSA Earphones without Microphone Black (-3 USD)
3. China – KZ ZSA Earphones Gray Without Mic (-3 USD)
Price history and price alert
Price history (for all/most countries) for KZ ZSA Earphones Gray With Mic is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).