Digital Media Bluetooth AM/FM/MP3 USB/SD Receiver Radio for 00-04 Subaru Outback

this is my video review of the portable multifunction of bluetooth tool channel digital am/fm radio media speaker wireless speaker mp3 player comes in this box that's a boxing here there's the unit itself wrapped in plastic nice and small-sized pretty high-tech looking and it has an included set of cables here it looks like it's a a mini plug USB not a micro and a USB charging port and an audio port pry four line in and then I see instruction sheet and I see a included battery so the first thing I'm going to do is I'm going to move this back cover by pushing on that piece of plastic and sliding it back and then the battery which is included as a little pull strap on there you can see the three contacts on there have to line up with the contacts on the device so it can only go one way you can't go that way so I'm put it in this way and then let's put the cover back on by putting it towar