Wearing method: In-Ear, Impedance: 34Ω, Cable length: 120cm, Cable: Oxygen-free, Model: GK-G1, Sensitivity: 103dB, Brand: KZ, Frequency: 20-20000Hz, Color: Black / White / Green.
You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
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: first page and second page
Old coupons (from the oldest to the newest): BGBRPL2, BGHOTSHOP15, BG53e9c8, BGAlerabatKL
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for KZ GK-G1 In-Ear Wired Earphones? There we go. The lowest price was: $6.52.
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)).