Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Battery Capacity (mAh): 1050mAh, Package Contents: 1x EKEN H9R Sport Action Camera, 1x Frame, 5x Mount, 1x Handle Bar, 2x Helmet Mount, 1x Protective Backdoor, 1x Waterproof Case, 3x Tether, 1x Metal Tether, 1x USB Cable, 1x Charger
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($42.99): BGEKENH963
2. ($62.99): BGHONEY2110
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): bd1fb4, 502C6B, e2bcea, BgAuMotor, b71c67, BGMM09004, BGAFF10OFF, BGdragonBoat, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, 7d18f7, BGCuponation10, BGSABAUM26, BGde7469
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for EKEN H9 Action Camera is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).