1 X Adapter, 1 X USB Cable, 1 X Fixed Base, 1 X Cleaning Cloth, 1 X iMars 4K Camera, 1 X Switch Support 1, 1 X Switch Support 3, 1 X Helmet Base, 1 X Manual, 1 X J-shape Holder, 1 X 3M Tape, 1 X Bicycle Support, 1 X Switch Support 2.
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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. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
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!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): camera12, BgAuMotor, BGimars4999, b71c67, BGsjcamiMars, BGAnniversary, 502C6B, BGAFF10OFF, BGdragonBoat, BGSS10%SW
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for iMars 4K Action Camera is here. The lowest price was: $45.89.
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)).