I am monitoring price for H15Plus 1.83inch HD Screen Bluetooth Smart Watch and it is for $10.99 now (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
H15Plus 1.83inch HD Screen bluetooth Call Heart Rate Blood Pressure Blood Oxygen Monitor Sleep Monitoring Multi-sport Modes Music Playback IP67 Waterproof Smart Watch – Black
Latest coupon and price update (UTC):
Banggood ($10.99)
Banggood warehouse is located in China. You probably want to know if this is a good price. Wow! That’s the lowest price in CouponsFromChina database! One coupon is available. Cool!
Link: Banggood product page
Price without coupon: $11.99
1. ($10.99): BGe4ffb2
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
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
Do you need price history chart (for all/most countries) for H15Plus 1.83inch HD Screen Bluetooth Smart Watch? There we go.
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)).