Green Lion Dual Cast Wireless Mic

Specification Frequency: 2.4GHz Digital Frequency Frequency Response: 20Hz-20kHz Sampling Frequency: 48kHz Transmission Range: 20m Signal to Noise Ratio: >75dB Battery: 80mAh(Microphone), 500mAh(Case) Sensitivity: -38dB±3dB Interface: Type-C, Lightning Features Long Distance Transmission Automatic Pairing 7 Hours Working Plug & Play 3 Times Charging Case Charge