$29.59 – 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.
You can get ET580 2.04 inch AMOLED Smart Watch for $29.59 with coupon (from Banggood). Go down and check coupons out. Remember to check price history if it is available. Best price?
Latest coupon code price check (UTC time):
Banggood ($29.59)
Banggood warehouse is located in China. Is it a low price? Actually this is the best price in history according to CouponsFromChina database! Only one coupon available!
Link: Banggood product page
Price without coupon: $79.99
1. ($29.59): BGET580M
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
This is the best price ever noted in my database!
Old coupons (from the oldest to the newest): BGspringG192
(I don’t think these’re gonna work, but you can try ’em out anyway)
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
Price history (for all/most countries) for ET580 2.04 inch AMOLED Smart Watch is here. The lowest price was: $29.59.
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)).