$33.99 – ET580 2.04 inch AMOLED Smart Watch (Banggood, Aliexpress: ET580 2.04 inch AMOLED HD Screen Blood Composition Measurement ECG Electrocardiogram bluetooth Call Heart Rate Blood Pressure SpO2 Monitor ECG Syphilis Function Non-invasive Blood Glucose Multi-sport Modes Music Playback IP68 Waterproof Smart Watch – Black (the best price with coupon)).
The coupon price for ET580 2.04 inch AMOLED Smart Watch is $33.99 (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon and price update (UTC):
Banggood ($33.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. The question is – is it a good price? It looks like it’s a good price (lower than average ($35.99)).
Link: Banggood product page
Price: $33.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGspringG192
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for ET580 2.04 inch AMOLED Smart Watch. The lowest price was: $30.99.
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)).