HM-249 hands-free microphone for Amateur mobile radios.

It consists of a main PTT button with a cable and RJ-45 modular connector, a remote PTT button, and a microphone.

Additional Information:
The LED main PTT button lights up when transmitting
Push-ON and push-OFF operation for main PTT button
Standard cable length is 8.2ft
Compatible with IC-2730, ID-5100, and ID-4100