Wireless MicrophoneOperating Voltage: 2 * AA battery for Mic (not include battery in Package) 1 * AA battery for receiver (not include battery in Package) Technical parameters: The range of frequency: 220MHZ to 270MHZ Frequency stability: 50 PPM (5 10 du degrees Celsius 35 degrees Celsius) Frequency response: 60hZ 13KHZ The receiver: Receiving sensitivity: better than 12 is a 40 db (S N=) Modulation mode: FM Working temperature: 10du degrees Celsius to 35 degrees
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product description
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Operating Voltage: 2 * AA battery for Mic (not include battery in Package)
1 * AA battery for receiver (not include battery in Package)
Technical parameters:
The range of frequency: 220MHZ to 270MHZ
Frequency stability: 50 PPM (5-10 du degrees Celsius - 35 degrees Celsius)
Frequency response: 60hZ-13KHZ
The receiver:
Receiving sensitivity: better than 12 is a 40 db (S/N=)
Modulation mode: FM
Working temperature: -10du degrees Celsius to 35 degrees Celsius
Distance: 10-20m
The emitter:
Transmission power: 10mw(+1)
Working current:<=100mA
Note: It is only mic,need to connect yourself speaker by 6.35mm plug receiver,then make a sound.