Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BG51f436, BGa3c30d, BG4912a5, BG95e34d, BGac1438, BG298985, BG4ca160, BGHUCJ154, BG2202FANS4, BG4d8853, BG53a14f, BG5edc65, BGe3b710, BGc3e8d4, BGc70579, BGbf11dd
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Zeblaze Beyond Smart Watch is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).