Race Day Electronics RDE-058 Race Day Electronics Behind The Head Racing Scanner Headset Headphones for Industrial Nascar Dirt Races Noise reducing rating up to 26 decibels Volume control to allow you to customize the sound to help get the experience you want to have Padded headband (adjustable) and ear-cups mean these bad boys are comfortable enough to wear the entire race even if it's the 600 Angle plug connector 35mm for easy use, fits virtually all racing scanners and audio devices Overall dimension for storage are 9.00" x 6.75" x 4.45"