Aliexpress
Click here… to search for Hawkeye Firefly Micro Cam 2 FPV Action Camera 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 (53.99 USD): bGhOnEy10
Coupon (54.99 USD): 7d18f7
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): 502C6B, efa401, f62884, BGFiref, BGCITYADS2019, BGFirefl
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Hawkeye Firefly Micro Cam 2 FPV Action Camera.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).