K3 Noise Reduction Collar Clip Microphone Type-C Mini Wireless Mic for Live Broadcast, 1 Transmitter+2 Receivers

• Small body, light weight, free to wear
• Type-C interface, compatible with multiple devices
• Easy to operate, automatic connection at startup
• New and upgraded noise reduction chip, actively filtering noisy sounds, high sensitivity, clear recording and restoring sound fidelity
• Live/video recording, stable signal, clear reception, synchronous and accurate transmission of sound and images
• Built-in rechargeable battery,ultra-long endurance, short video recording, live selling, outdoor interviews, online teaching, easy response in various noisy environments, shooting without worry

Specifications:

• Frequency range: 2.4GHz
• Transmitter:
• Working current: 11~12mA
• Boot current: 10~11mA
• Receiver:
• Working current: 20~21mA
• Receiver:
• Boot current: 8~9mA
• Shutdown current: 2~3uA
• Working temperature: -10~45 degrees Celsius
• Charging input voltage: DC4.8~5.4V
• Working time: about 6H
• Charging interface: TYPE-C
• Charging time: about 90min
• Charging current: about 60mA
• Battery capacity: 60mAh
• Battery full voltage: 4.1~4.25V
• Transmission distance: barrier-free distance: 20m, human barrier distance: about 7m
• Signal-to-noise ratio: 64dBm
• Transmission delay: 18MS
• Sensitivity (microphone): -42dB
• Microphone: silicone mic
• Antenna Type: Ceramic Antenna
• Frequency range: 20-20KHZ