Courtesy of USwitch, these images below are the blueprints for the new iPhone 7 Pro and 7. And from the looks of the blueprint, the appears to be no headphone jack.
Could this be the end of wired headphones as we know it?
According to HB:
"Additionally, and possibly the biggest change is that both models are missing the traditional headphone jack, further fueling rumors that the audio listeners on the iPhone 7 will need wireless headphones or something that can connect through the Lightning port."
Peep the designs below.
iPhone 7 PRO: