I am monitoring price for KZ DQS Wired Earphones and it is for $13.99 now (in Banggood). Check coupons or create price alert down below. Best price?
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
Latest coupon and price update (UTC):
Banggood ($13.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. What about the price? Let’s see… Average price for this item is $15.12 and current one is $13.99, so it’s a good price!
Link: Banggood product page
Price: $13.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGAudio3, BGAudio9
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for KZ DQS Wired Earphones.
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)).