Hytera's C-earset and microphone without vox.
List of compatible walkies
Hytera: AP325, BP365, PNC360, PNC380
Code: 63.2101.056
Code: 63.2101.052
Code: 63.2101.035
Code: 63.2101.046
Code: 63.2101.044
Code: 63.2101.025