Feature: Includes H41 CF behind the head headset & CC MOT coil cord cable. Compatible for Motorola , for HYT , for Speedcom & for Black Box Handheld Radios. 24 Decibel NRR hearing protection with Ear Dome PTT. You can clear hear audio speakers with volume control. 3.5mm Input Aux port for Music & Scanners. This behind the head style headset provides tough , reliable , two way radio communication and can be used in applications including auto racing , industrial & heavy equipment operation , recreational off roading. With a dynamic noise cancellation microphone for clear transmissions and clear hear speakers for unsurpassed audio performance. Rugged Radios headsets are built to perform in extreme noise environments combining the latest technology with firm , yet comfortable fit for optimum communication. Spezifikations:Material: ABSSize: Approx. 21.5*17*10cm ,8.46*6.69*3.94inchColor: Black , Red(optional)Compatible Model:For CP100 ,CP150 ,CP200 ,CT150 ,CT250 ,CT450 ,CT450LS ,GP2000 ,GP300 ,GP308 ,GP68 ,GP88 ,GTI ,GTX ,LTS2000 ,PR400 ,P040 ,P080 ,P110 ,P1225 ,P1225LS ,P200 ,PRO3150 ,SP10 ,SP21 ,SP50 ,XTN446 ,XTN500 ,XTN600 ,XV1100 ,XV2100 ,XU1100 ,XU2100 ,XU2600For HYT TC500 ,TC508 ,TC600 ,TC610 ,TC700For Speedcom MT ,STPackage list:1 x Aviation Headset1 x M Cable