Description
Noise Cancelling Mini Wireless Microphone For Ios Or Android Material: ABS Size: 62*23 * 28mm Frequency range: 2.4GHZ Frequency response range:20~20KH Transmission delay:18MS Signal-to-noise ratio: 64db Input voltage: DC4.8~54V Battery capacity: 80mAh Working time: 7 hours Charging time: 50mins