This Is Dji Mic 3 2-Person Compact Wireless Microphone System - Black

Audio Quality: The system supports 32-bit float internal recording to prevent audio clipping and delivers 48kHz/24-bit lossless audio.System Capacity: It features a dual-channel receiver that can pair with up to 4 transmitters and sync audio to 7 additional receivers, which is designed for group recordings or podcasts.Battery Life: The system provides up to 28 hours of operating time when using the included charging case.Wireless Range: The microphones have a wireless transmission range of up to 400 meters (1312 feet).