

- Frequency range: 2.4GHz
- Charging voltage: DC4.8~5.4v
- Transmission distance: 20 Meters Without Barriers
- Human obstacle distance: About 7 meters
- Microphone: Digital Microphone
- Working hours: About 6H
- Charging time: About 90min
- Battery full voltage:4.1~4.25V
- Receiver side operating current:20~21mA
- Receiver side power-on current:8~9mA
- Signal to noise ratio: 64 dBm
- Start-up current: 10~11mA
- Charging interface: TYPE-C
- Transmission delay: 30MS
- Shutdown Current: 2~3uA
- Sensitivity (microphone): -42dB
- Battery capacity: Button Battery 72mAH
- Antenna type: Ceramic Antenna
- Charging current: About 65mA
- Frequency response range: 20-20KHZ
- Microphone head: Silicon Wheat
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