Just check coupons out (with price alert and history). You probably want to know what is the best price?
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 and price update (UTC):
Voice Remote Control, Native 4K 30fps Videos, Ultra HD IPS Screen, Gyro Stabilizer, Distortion Correction, Waterproof up to 60m, APP for Remote Control, Edit, Share
Price history and price alert
Here is price history (for all/most countries) for ThiEYE T5 Edge Action Camera [Fast-23].
Price records source(s): Gearbest
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)).