Hytera's Airtube earphone without vox.
List of compatible walkies
Hytera: AP515, AP585, BP515, BP565, AP515LF, AP525LF, BP515LF
Code: 63.2101.046
Code: 63.2101.047
Code: 63.2101.029
Code: 63.2101.056
Code: 63.2101.024
Code: 63.2101.043