$34.99 – that is current price with coupon for Q9 Pro GT2 Smart Watch (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Q9 Pro GT2 1.85 inch HD Screen Body Temperature Measurement Heart Rate Blood Pressure SpO2 Monitor 200mAh Battery BT5.0 Smart Watch – NO.2
Latest coupon and price update (UTC):
Banggood ($34.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Is it expensive? This price is higher than average price ($21.99) for this item.
Link: Banggood product page
Price: $34.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG85026c, BG217661
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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
Do you need price history chart (for all/most countries) for Q9 Pro GT2 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)).