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Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): e2bcea, 502C6B, BgAuMotor, b71c67, BGAutos, BGAFF10OFF, BGdragonBoat, bGhOnEy10, bgshOOp10, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for GITUP G3 DUO Action Camera.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).