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: 63.2101.024
Code: 63.2101.037
Code: 63.2101.026
Code: 63.2101.046
Code: 63.2101.028
Code: 63.2101.047