QY88 BlueXun Dual Receiver Wireless Lavalier Set – 2 Transmitters & 2 Converters, Plug & Play Mic with Reverb, Noise Control, Volume Adjustment, Charging Case, 30ms Delay, Black/White

Solution brand: Lanxun                                                                                                            Input voltage: 5V
Microphone battery capacity: 60MAH
Charging case capacity: 320MAH lithium battery
Microphone Polarity: Omnidirectional
Battery life: 4-5 hours
Signal-to-noise ratio: 70DBM                                                                                          Transmission delay: 30MS
Sensitivity: -42DB                                                                                                              Frequency response range: 20-20KHZ
Transmission distance: 20 meters-30 meters without barriers
Plug and play
Volume adjustment
Reverb function
Manual noise cancellation
External playback function
Charged display
2 to 2 double use (2 receivers, 2 converters)