$39.99 – ET340 1.46 inch HD Screen Uric Acid Blood Lipids ECG Heart Rate Blood Pressure SpO2 Blood Glucose Monitor Sleep Monitoring SOS Function bluetooth Call Multi-sport Modes Music Playback IP67 Waterproof Smart Watch – Leather Black.
$39.99 – that is current price with coupon for ET340 1.46 inch Smart Watch (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon code price check (UTC time):
Banggood ($39.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. The question is – is it a good price? From what I can see this price is higher than average price ($37.99).
Link: Banggood product page
Price: $39.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGESJY8
(there’s a little possibility that old coupon will work)
Aliexpress
I could not find it on Aliexpress. 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 ET340 1.46 inch Smart Watch. The lowest price was: $36.99.
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)).