The Simpson Carbon Desert Devil off-road helmet includes our popular Carbon Devil Ray helmet, equipped with an offset top air pipe and off-road communication kit. Straight out of the box, the Carbon Desert Devil is ready to go off-road. The off-road communications kit comes with a 3.5mm headphone connection that can be plugged into your mobile phone for music using an auxiliary cord easily purchased from your favorite electronics store. The offset top air pipe gives extra head clearance in the vehicle.