This device is a multi-functional, digital wireless transceiver, full-duplex voice group communication system. The system uses a long-distance wireless data and voice transceiver module and has the latest RF radio frequency chip and high-performance industrial-grade processing chip. This product can be used as a full-duplex communication device, or it can be adapted to different walkie-talkies and used as a shoulder microphone. It can also be connected to audio peripherals such as bone conduction headphones, mask communication devices, and noise-cancelling headphones to adapt to a variety of special occasions.