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: 43.2101.068
Code: 63.2101.028
Code: 01.2101.007
Code: 46.2101.010
Code: 25.2101.045
Code: 63.2101.051