Bluetooth earset by Hytera.
Package Contents: One ESW01 and one charging stand (POA107).
Caution: A wall charger is not included in the package
List of compatible accessories
Audio: ADN-01, ADN-02
Code: 43.2101.080
Code: 25.2101.063
Code: 70.2101.004
Code: 04.2101.006
Code: 43.2101.009
Code: 46.2101.010