Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Smart Notifications, 1.69 inch HD Color Touch Screen, IP68 Waterproof, bluetooth Calling, Blood Pressure Monitoring, 15 Days Battery Life, Spo2 Level Blood Pressure, Bulit-in Microphone And Speaker, Stand-alone Music Player, 7/24 Heart Rate Monitoring, Sleep Quality Measurement, 15 Goal-Based Exercises, Customize Your Own Watch Face
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGWRIBAND10, BGA88590, BG88590, BGGTS279, BGGTS200, BGBRGTSV, BGMORGTS2, BGa2e46f, BG5d6051, BG20afaa, BG2924f2, BG53d3c9, BGb6c722, BGba911d, 6GSGIT, BGecc8c6, BG51f436, BGa6380c, BGdaa0e8, BG1309c1, BGb50ac4, BG382182, BGc70579, BGGTS2Fans, BG500b52, BG2202FANS5, BG86ba0f, BGe57d87
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for Zeblaze GTS 2 Smart Watch.
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)).