The David Clark H10-66 VHF Aviation Headset Boom Mic with a 3.5mm plug is a high-quality ear-cup style headphone designed for aviation communication. With a green and black color scheme, it features an adjustable headband for maximum comfort during long flights. The boom microphone, coiled cable, and 3.5mm jack connectivity ensure clear communication over the VHF band. The double earpiece design provides a comfortable fit for pilots and aviation professionals, while the durable construction of the David Clark brand ensures reliability in demanding environments. This Product is new never used .