Rugged Radios H41-CF Carbon Fiber Behind The Head Two Way Radio Headset with Volume Control Knob and 3.5mm Input Jack for Music / MP3 Players 5-Pin Universal Radio Port 3.5mm Input Jack for Music & Scanners Clear Hear Audio Speakers with Volume Control Adjustable Dynamic Noise Cancellation Microphone 24 Decibel NRR Hearing Protection with Ear Dome Push-To-Talk 24 Decibel NRR Hearing Protection with Ear Dome Push-To-Talk Adjustable Dynamic Noise Cancellation Microphone Clear Hear Audio Speakers with Volume Control 3.5mm Input Jack for Music &amp; Scanners Adjustable Over the Head Velcro Strap S5 Mic with Wire Boom