<p>Manufacturer:<b>ZTAC(Z-TAC/Z-Tactical)</b>; Product Type: Z041-DE</p><p>ZTAC(Z-TAC/Z-Tactical) is a registered trademark. ONLY Authorized seller of <b>ZTAC</b> can sell under <b>ZTAC</b> listings.Our products will enhance your experience to unparalleled inspiration.</p><p>☞Function: Noise Reduction,active-volume hearing protector.</p><p>☞Support: Fit ZTAC PTT.</p><p>☞Powered by : 2*AA batteries <b><br></b></p><p><b>NOTE</b> :PTT accessories and 2*AA batteries are not included.If you want to use it for communication, you need to connect it with the PTT (push-to-talk), then connect the radio.</p>