Wireless Headset Titanum Liberty with FM Radio

Technical Specification:
Οperating frequency: 0.5MHz ± 88.3
Range: up to 30m
power supply: 2X AAA batteries (Not Included)
Plug: 3.5mm or RCAx1
Base station cable length: 0.9m
Microphone sensitivity: -58dB ± 2dB
Microphone frequency: 30Hz to 16.000Hz

Receiver(headphone)
Bandwidth: 20Hz-20000Hz
Range of received frequency: 88-108MHz
Power supply: 2x AAA (Not Included)