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 (71.99 USD): AFfbG10
Coupon (71.99 USD): band10
(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): e2bcea, TTxBG10, BG60S9, BG63SW, 2019SPEDM, BG3CSUM, BGZG, 502C6B, BGBFAFF2019
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for ZGPAX S222 Wearable Waterproof Action Camera.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).