stock camera on x380 c

I am still waiting for the seller on eBay to get me a return shipper but I thought about something I need to know when I get the replacement. How does the stock camera that is supplied on the 2 axis gamble operate and how is it charged? I don't have any experience with that style camera. I have only used the cameras that come with the quad and the mobius that I slung under my soma 8xc. The paper work that comes with the drone is pathetic at best. It shows the buttons but no indication on how to use it. Also, no instruction at all on how to charge it. Can anybody help me with any of this?

The camera is a SJ4000 clone and charges and works the same, charges via usb