Hytera's D-earset and microphone with VOX directly attached to radio.
List of compatible walkies
Hytera: AP515, AP585, BP515, BP565, AP515LF, AP525LF, BP515LF
Code: 43.2101.005
Code: 80.2101.010
Code: 46.2101.011
Code: 43.2101.024
Code: 25.2101.062
Code: 23.2101.004