Compatible with Hytera PD502 PD562 PD-500 PD-508 PD-550 PD-560 PD-590 BD-500 BD-550 TD-500 TD-510 TD-520 TD-530 TD-550 TD-560 TD-562 etc. Push-To-Talk (PTT) mic with Single Replaceable Clear Coil Listening Tube, Package Content: 1 x Earphone, 1 x Acoustic Tube, 1 x Spare Earbud Metal clip secures the PTT Mic to the user's lapel, collar, or sleeve, conveniently locating it for easy use. Polyurethane jacketed, kevlar reinforced wires; Headset includes speaker with hearing protection and sound press certification 100% Compatible with all original equipment manufacturer (OEM) parts. USA based brand with warranty and customer service.