The STEELMAN PRO 78692 is set of high quality stereo headphones to replace lost or damaged headphones used by the Bluetooth ChassisEAR Kit. These headphones feature a fully adjustable band that can be customized to fit any size head comfortably. They also feature a built-in volume control dial to allow quick adjustments to volume without having to be near the recording device. The included cord is fully detachable with two 3.5mm male plugs and measures almost 7-feet in length to provide ample reach during inspections. Compatible with both the 78684 Bluetooth ChassisEAR and 78752 Bluetooth ChassisEAR Lite as well as the 91927 SmartEAR.