Are you looking for a professional, flexible head-mounted mic ? Are you looking for a solid, trusted tool that can do more than one at a time? If so, please look at our product! Our wireless headset mic must meet your needs. It is one of your . Features -Color:Black -Material:Plastic -Size:13.50X12.00X6.00cm/5.31X4.72X2.36in -Note: The receiver is powered by 1 AA battery; the transmitter is powered by 2 AA batteries. (Not Included) -Input Voltage: DC5V -Frequency response range: 60Hz-15KHz -Battery Life: 3-6 hours -Frequency: VHF -Receiver frequency band: 266.85MHZ -Receiving distance: 30 -Frequency stability: ±0.005% -Signal to Noise Ratio: >40dB -Transmitted power: 16DB -Receive sensitivity: -103DB -Plug of the receiver: 6.35 mm - The portable and light headset mic is suitable for performers who cannot hold the microphone during the performance. - The headset microphone is lightweight, easy to wear, and wireless, very portable and convenient to use. - The wireless headset mic is suitable for teachers, tour guide and stage performance to use, very practical. - The mic has good sound amplification function without distortion, and easy to operate, and it has 30-meter wireless coverage. - With the fine workmanship and , the wireless microphone headset can be used for a long time. Package list: 1 × Microphone Headset 1 × Receiver 1 × Transmitter