The HS 600 DANR Executive is the premier product of the beyerdynamic Aviation Headset series. Its appearance is unique and includes a glossy wood ear cup design, genuine leather headband, soft ear seals filled with a special visco elastic material and a black audio box coated with soft touch lacquer, which a mobile phone or MP3 player can be connected. It features the advanced DANR system, Digital Adaptive Noise Reduction. For the necessary counter sound to eliminate background noise, the DANR provides a fast micro processor with a software algorithm developed by beyerdynamic.