Check the listing for details. Rugged Over The Head Single Side Two Way Radio Headset Racing Communications. Color: Black, Condition: New. Listed at 120.00 USD. Single side over-the-head headset with military grade M101 microphone. The H15 is the perfect headset when one ear needs to be open to the outside environment. Popular with race and pit crews, track officials, crew chiefs, mechanics, etc. Single side over-the-head headset. The H15 is the perfect headset when one ear needs to be open to the outside environment. Popular with race and pit crews, track officials, crew chiefs, mechanics, etc.. Features: Military Grade M101 Microphone 50mm clear hear audio speaker Universal 5 pin radio port Fully adjustable side pad Thumb nut headband adjuster Long lasting polyurethane ear seal Push-to-Talk with waterproof cover Stainless steel headband construction Deluxe Comfort headpad