Aperture F2.0, Photo Resolution “360: 6080×3040 (2: 1) Pano: 4320×1440 (3.1)”, model ONE X2, WB Auto / 2700K / 4000K / 5000K / 6500K / 7500K, Brand Insta360, ISO Auto / 100-3200, Name Sport Panoramic Action Camera, 35mm Equivalent Focal Length 72mm, EV ±4EV.
You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($386.99): BGHONEY2110
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 and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG8252d8
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Insta360 ONE X2 5.7K Panoramic Action Camera is here. The lowest price was: $386.99.
Price records source(s): 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)).