TAC-SKY Tactical Headset Bluetooth 3.5mm plug PTT Adapter & U-174 NATO/Military to Civilian Wiring Adapter For Sordin/Howard/TAC300This PTT enables users to make phone calls, listen to music or interact with other devices through a tactical headset. When listening to music, you can use the function buttons on the PTT for next song, fast forward function. If you need to make a call to your cell phone, just point your mouth at the part of the button box to talk to the other person. This PTT has a 3. 5mm plug and works with headphones such as the TAC500, Sodin, Walker's Razor, and