Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Copper Voice Coil and Ultra-thin Diaphragm, 13.6g Lightweight, IPX4 Waterproof, Bluetooth 4.1 technology
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 and price update (UTC):
Price history and price alert
Here is price history (for all/most countries) for Xiaomi YDLYEJ03LM Sports Earphones Youth Black [Fast-23].
Price records source(s): Gearbest
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)).