Specification Brand VIMAIModel AP009 1 AP009 2Frequency Range 2 4 GHzCharging Current ≤ 220mACharging Time ≤ 170 minutesBattery Capacity 400mAhWorking Time 26 hoursMicrophone Type Electret microphoneMicrophone Sensitivity 35dBMicrophone SNR 64dB A Microphone Frequency Range 20 20kHzAntenna CeramicTransmission Delay 15 millisecondsIndicator Light Colors Red Green BlueCharging Type USB Type CUnit Weight 26 3gUnit Dimensions 46 41 22mmFeatures 1 Ultra low latency wireless microphone suitable for real time audio transmission 2 360° omnidirectional voice pickup with high sensitivity digital silicon microphone covering 20 20KHz frequency range ensuring clear voice capture 3 Intelligent noise reduction with environmental noise canceling DSP technology for enhanced sound quality 4 Automatic pairing for ease of use just plug in the receiver for instant connection 5 3 in 1 receiver with broad compatibility for Type C iP Computer and Camera interfaces 6 Long working duration capable of up to 26 hours on a full charge Package Includes 1 x Transmitter 2 x Transmitter Optional 1 x 3 in 1 Receiver Type C iP 3 5mm Audio