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: 01.2101.016
Code: 63.2101.038
Code: 50.2101.001
Code: 37.2101.004
Code: 43.2101.038
Code: 63.2101.045