Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
2024New Q9 Pro Smart Watch Body Temperature Monitor Music Control Sports Waterproof for Men Women Fashionable Functional Durable | $28.91 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Bluetooth Version: Bluetooth 4.0, Built-in chip type: Nordic 52832, RAM: 64K, ROM: 512K, Waterproof: Yes
Price history and price alert
Here is price history (for all/most countries) for Q9 Sports Smartwatch.
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)).