The exhaust port is in the back, with a red warning label. Initially liked the headset. I kept 8 no. They take a week or two too break get the non slip working right. Getting them down is easier. I then tried to attach, and adjust, the cargo bag straps to my roof rack. When the dongle is inserted, the volume on the Xbox dims, since the console thinks headphones are connected, so I have to unplug the dongle each time Im done with the headphones. Son Nike. These headphones squeezed my head tighter than any wrap-around headphones Ive ever had. They make me feel pretty and proud of my accomplishment of losing weight.