Product information:
Color: 1 style: one to one 2.4g wireless headwear microphone (3. 5mm interface),2 style: one-to-one 2.4g wireless headgear microphone (6. 35MM interface),3 style: one to two 2.4g wireless headgear microphone (6. 35MM interface)
Frequency range: 60Hz-15KHz
Rated Power: 1
Input voltage: DC 5V
