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: 25.2101.057
Code: 01.2101.019
Code: 80.2101.006
Code: 25.2101.017
Code: 56.2101.013
Code: 63.2101.044