Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (58.81 USD): 2022ACTIESNL
Coupon (59.45 USD): BG00c906
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): BG10OFFAFF1, BGHU1030, BG4d9120, 00c906, ADMITAD2212
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for IGPSPORT IGS50S Bike Computer.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).