M8 Wireless Lavalier 2.4G Live Broadcasting Host Microphone. *Noise Reduction
*High Sound Quality
*Ultra Long Distance
*Small Microphone
*Frequency range: 2.4GHz
*Charging voltage: DC4.8~5.4v
*Transmission distance: 20 *Meters Without Barriers
*Human obstacle distance: About 7 meters
*Charging time: About 90min