two way radio walkie talkie headsets
1)Ear hook type two way radio earphone
2)Microphone :
Frequency range : 100-12khz Sensitivity :-34db ±2db
impedance :2.2k ohms
Operating voltage : 1.0-10v
Speaker :
Speaker size : 30mm Sound pressure level :115db±3db
Impedance : 150 ohms ±15%
Rated Pwr: 500mW Frequeny range : Fo-4kHz