When I was updating this page, then coupon price was 14.99 USD for Xiaomi DDQ02WM Earphones Wired (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest price update (UTC time):
Banggood (14.99 USD)
Banggood warehouse is located in China. But wait a sec… Is it a good price? IMHO this is a good price, coz it’s lower than average (15.96 USD) One coupon is available. Cool!
Link: Banggood product page
Price without coupon: 19.99 USD
Coupon (14.99 USD): BGc42fe8
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGAudio9
(probably won’t work, but you can try them out)
Aliexpress
Click here… to search for Xiaomi DDQ02WM Earphones Wired on Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi DDQ02WM Earphones Wired? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).