YESIDO KR24 Lightning Wireless Lavalier AI Noise Cancelling Microphone 

• Lightning Wireless Frequency: 2.4GHz.
  
  
• Sampling Rate: 48kHz/24-bit.
  
  
• Microphone Sensitivity: -42dBFS.
  
  
• Transmission Latency: 25ms.
  
  
• Transmission Distance: Approximately 50m (open area).
  
  
• Noise Reduction: 3-level noise reduction.
  
  
• Microphone Battery Capacity: 70mAh.
  
  
• Microphone Play Time: Approximately 6 hours.
  
  
• Charging Case Battery: 400mAh Polymer Battery.
  
  
• Total Battery Life: Approximately 36 hours.
  
  
• Microphone Charging Time: Approximately 1.5 hours.
  
  
• Charging Case Charging Time: Approximately 2 hours.
  
  
• Microphone Charging Method: Pogo Pin.