You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Impendance 18Ω, Drivers 8BA units for each side /total 16 units, Microphone Yes, Wearing Type In-ear, Receive Sensitivity 114dB, Pin Type 0.75mm, Model AS16 Pro, Color Black / Cyan, Volume Control Yes, Brand KZ
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($56.69): BGAUDIO
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG6ec7a6, BG9ba0e8
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for KZ AS16 Pro Wired Earphones? There we go.
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)).