Protos Earmuff Listen Only HEAVY DUTY 3.5mm Features: Hands free listen only communications capability to clip into any PROTOS® helmet Contact ear pressure and position are adjustable Earpiece folds away under the helmet as with standard ear muff configuration Standard 3.5mm angled jack plug Also available in 2.5mm angled jack plug Actual cable configuration may vary from pictured Suitable for multiple uses ie., RT, VHF, iPhone, iPod
