$13.99 – Color Black, Material Metal+PC, Sensitivity 110dB, Volume Control No, Frequency Response 20-40k Hz, Length 1.25cm, Model DQS, Brand KZ, Drivers DD, Impedance 14Ω, Wearing Type In-ear, Plug Type 0.75mm, Cable Type OFC flat cable, Microphone No/Yes, Plug Type 3.5mm.
You can get KZ DQS Wired Earphones for $13.99 using coupon code (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($13.99)
Banggood warehouse is located in China. I have no active coupons for you right now. You probably want to know if this is a good price. My database says that it’s pretty good price, coz average is $15.12.
Link: Banggood product page
Price: $13.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGAudio3, BGAudio9
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for KZ DQS Wired Earphones. The lowest price was: $12.99.
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)).