Hytera's C-earset and microphone without vox.
List of compatible walkies
Hytera: AP325, BP365, PNC360, PNC380
Code: 63.2101.058
Code: 63.2101.043
Code: 63.2101.053
Code: 63.2101.035
Code: 63.2101.045
Code: 63.2101.047