Noise Cancelling Pilot VOX PTT Headset for KENWOOD PUXING WOUXUN with MiNi DIN BLACK MiNi DIN plug series, This one comes with a KENWOOD MINI DIN Plug, if you want use it on other model radios like motorola or icom, just need change the MINI DIN plug, very easyliy and simple! This heavy-duty headset lives up to the demand under extremely high-noise environment in air-piloting and car-racing. It is best used in manufactory plants as well. Built of Acrylonitrile Butadiene Styrene (ABS), the dome of the speaker is hard, durable and heat-resistant Layers of sponge filter ensure high passive noise reduction level (NRR) of 24dB, which means a reduction of the amount of background noise reaching your ears. The three-layered thick earpad create a seal around each of your ear from the high noise environment. The speakers are connected by a metal frame which crosses behind your head. Though the sturdy material of the speakers are a bit weighty, the Velcro taped headstraps with which you wear the headset relieves much of the weight and provides adjustable, comfortable wearing experience.