Transmission protocol: 2.4G wireless protocol
Chip: JL6973
Transmission distance: ≥10 meters,
Mode: Support noise reduction, mute
Battery: 85mAh
Sound delay: ≤25ms
-38dB ± 3dB omnidirectional condenser microphone
Frequency response: 20Hz-20KHz
Sampling rate: 44.1KHz
Signal to noise ratio: ≥70dB
Working current ≤ 12mA
Shutdown current ≤ 20uA
Adaptive voltage: 5V/1A
Dimensions：48*26*7mm
Smartphone connector: USB Lightining
