Wireless Lavalier Microphone Charging Case Mic Portable Audio Video Recording for i-Phone Android Camera Notebook Live Gaming Mic
Product description:
Frequency range: 2.4ghz
Frequency response range: 20 2020kh
Transmission delay: 18ms
Signal-to-noise ratio: 64db
Input voltage: dc4.8 54 54v
Charging current: about 65ma
Battery Capacity: 80mAh
80mAh 【Microphone】
300mah [charge compartment]
Working hours: about 7h
harging time: about 50min