Aliexpress
Click here… to search for Newwear Q9L Fitness Tracker on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (15.99 USD): BG8c7692
Coupon (48.87 USD): BGc70579
Coupon (48.87 USD): BGbf11dd
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG66252, BGWRIBAND10, BG8b59ee, BGe4d5bb, BG51f436, BGde44d1, BG6c1050, BG3096c9
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Newwear Q9L Fitness Tracker? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).