Features 2 4G Wireless Microphone System This wireless microphone adopts 2 4G frequency band features stable signal transmission and 30m effective range not easy to be interfered perfect for filmvlog recording live streaming interview etc Paired TransmitterReceiver Transmitters and receiver have been paired just turn them on then the transmitter and receiver will automatically link to the frequency within 3s plug and play without tedious debugging Dual Microphones Design The transmitter has built in microphone and supports omnidirectional pickup with clearer sound also comes with an external lapel microphone which allows users to record more flexibly Built in Rechargeable Battery The transmitter and receiver both have built in rechargeable battery that can be charged via the provided USB cables and working time is up to 8H after fully charging Real Time Monitoring The receiver has real time return monitoring interface you can connect headphones to monitor the recording effect backside clip design can be fixed on collar easily and quickly Name Wireless MicrophoneModel V82Type Lavalier Clip onBuilt in DSP YESNoise Cancellation YESSignal Transmission 2 4GHzFrequency Response 2 4 2 4835 KHZCompatibility for iPhone for iPad MAC new PC DSLR CAMCORDER GOPRO etc Application Single live video recording podcast etcMute YesBattery capacity 300mAhCharging time About 2 HoursOperating Distance 30MOutput Method 3 5mm OutputType C OutputWo