Ingenious active earmuffs with Bluetooth Technology and with a built-in high-quality am/fm radio. Thanks to the wireless connection to the mobile phone it enables phone calls or a2dp streaming of music. A noise suppressing boom microphone enables clear communication even in extremely high-noise environments. A level-dependent microphone in each earcup ensures excellent directional hearing. Weight 459g. Snr:30 db. En-352-1,3,4,6,8.