$35.99 – LOKMAT ZEUS 3 PRO 1.39 inch HD Bluetooth Call Notification Heart Rate Blood Oxygen Blood Pressure Monitor Outdoor Sports 50m Waterproof Smart Watch – Black.
I have just checked coupons. The lowest price I could get is $35.99 for LOKMAT ZEUS 3 PRO Smart Watch (in Banggood). You can create price alert here, copy coupons and view price history. What is the best price?
Latest coupon and price update (UTC):
Banggood ($35.99)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it good price? Well, this price is higher than average price ($34.99)
Link: Banggood product page
Price: $35.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGa3ab0f, BG525a02
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for LOKMAT ZEUS 3 PRO Smart Watch. The lowest price was: $33.99.
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)).