Remote microphone-dynamics MDRLN6551 is designed for use with mobile radios of DM4000E series. Physical characteristics: Connector: 3.5 jack, Emergency call button, Removable battery with turn clip. Operational characteristics: Range: Max. 100 m from mobile radio, Average battery operational life for operation mode 5/5/90 – 28 h for operation mode 5/35/60 – 13 h Volume control Is available
