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: 63.2101.043
Code: 63.2101.048
Code: 63.2101.042
Code: 63.2101.040
Code: 63.2101.046
Code: 63.2101.058