We have a the same unit except a 2010 and ours has the king size bad in the back. Judging by the window on your slide, you have the queen bed. The windows on our slide are on the sides of the the slide, as the "headboard" is at the back.
We really like our unit too!
2010 Jayco JayFeather 213 EXP
2016 Ford F-150, 4x4, 3.5L ECOBOOST, MaxTow, Supercrew, 6.5FT, 3.55 axle