DEFENDER TALKY-139 WIRELESS MICROPHONE LAVALIER

Technical specifications
* Connection type wireless
* Microphone type condensing
* Connector Type-C
* Operation range 20 m
* Total operating time with recharging from the case 18 hrs
* Operating time on a single charge 6 hrs
* Battery capacity 60 mA·h
* Case battery capacity 300 mA·h
* Impedance 2.2 kOhm
* Frequency response 20—20000 Hz
* Sensitivity -38 dB
* Signal to noise ratio 64 dB
* Sampling rate 44 kHz
* Housing material plastic
* Rated voltage 3,7 V DC