K31 Pro Collar Clip Mic

K31 Pro Collar Clip Mic Specification: Model: K31 Transmitter Dimensions: 29.7*29.7*14.26mm Charging Case Dimensions: 81.3*50.2*39.8mm Wireless Transmission: 2.4GHz adaptive frequency hopping Pickup Pattern: Omnidirectional Frequency Response: 20Hz ? 20kHz Sampling Rate: 48kHz Charging Time: Transmitter: 1.5 hours, Charging Case: 2 hours Battery Life: Transmitter: 4-5 hours Charging Case Capacity: Charges two transmitters over 3 times Transmission Distance: Unobstructed line of sight: 100m, obstructed: 50m