• Built-in long-lasting battery life, long-term use of uninterrupted power, built-in 80mAh battery, long-lasting life of 10 hours, short video recording, live recording, unrestrained, easy to deal with various noisy environments
• 20 meters barrier-free connection, recording more freedom, high-performance wireless microphone, stable signal, a barrier-free distance of more than 20 meters, free recording is not limited
• Intelligent noise reduction, built-in decoding chip, built-in noise reduction chip, strong anti-interference ability, effectively identify the original sound, and can still record clearly in a noisy environment

Specification:

• Frequency range: 2.4GHz
• Transmitter working current: 11~12mA
• Boot current: 10~11mA
• Working current of receiving end: 20~21mA
• Power-on current at the receiving end: 8~9mA
• Shutdown current: 2~3uA
• Working temperature: -10~45mA
• Charging input voltage: DC4.8~5.4v
• Working time: about 6H
• Charging port: TYPE-C
• Charging time: about 90min
• Charging current: about 60mA
• Battery capacity: battery 80mAh
• Full battery voltage: 4.1~4.25V
• Transmission distance: 20 meters barrier-free distance
• Human obstacle distance: 7 meters
• Left and right signal-to-noise ratio: 64 dBm
• Transmission delay: 30MS
• Sensitivity (microphone): -42dB
• Microphone head: Silicone
• Antenna type: ceramic antenna
• Frequency response range: 20-20KHZ