Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – EKEN H9S Action Camera Silver (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (79.29 USD): 13f142
(CouponsFromChina.com tip: just apply this code 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): e2bcea, BgAuMotor, b71c67, 45DAKAR, ea1da3, BGAutos, BGCS10, BGEK84, BGSP63, BGEKEN84, BGEKEN844, bGhOnEy10, bgshOOp10, BGCARPRO, BGELIG0920, BgcLuBofErtA10, BGAFF10OFF, BG15641, BGSABAUM26, BGHONEY2110
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – EKEN H9S Action Camera Silver (-3 USD)
Price history and price alert
Price history (for all/most countries) for EKEN H9S Action Camera Black is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).