K3 Mini Wireless Lavalier Microphone Portable Lightweight Transmitter + Receiver Telefon Lavalier Mic

• Small body, lightweight, free to wear, simple style, black appearance, refined and atmospheric
• Built-in rechargeable battery, ultra-long endurance without worry 
• Suitable for short video recording, live selling, outdoor interviews, online teaching, easy response in various noisy environments, shooting 
• Plug and play auto pair. Easy to operate Automatic connection at startup
• Live/video recording, stable signal, clear reception, synchronous and accurate transmission of sound and images

Specifications:

• Frequency range 2.4GHz
• Transmitter:
• Operating current: 11~12mA
• Power on current: 10~11mA
• Receiver:
• Operating current: 20~21mA
• Receiver:
• Power on current: 8~9mA
• Shutdown current: 2~3uA
• Operating temperature: -10~45 degrees Celsius
• Charging input voltage: DC4.8~5.4v
• Working time: about 6H
• Charging interface: TYPE-C
• Charging time: approx. 90min
• Charging current: about 60mA
• Battery capacity: 60mAh
• Battery full voltage: 4.1~4.25V
• Transmission distance: 20m without barrier, about 7m from human barriers
• Signal-to-noise ratio: 64 dBm
• Transmission delay: 18MS
• Sensitivity (microphone): -42dB
• Microphone: Silicon microphone
• Antenna Type: Ceramic Antenna
• Frequency response range: 20-20KHZ