Original DJI Mic Wireless Microphone, 1st Generation * 2 Wireless Microphones TX + Receiver RX * Charging and storage case. * Transmission range up to 250 meters in optimal conditions. * Internal recording in each transmitter up to 14 hours. * The kit battery with the charging case lasts approximately 15 hours. * High-quality audio recording, suitable for filming, interviews, and YouTube. * The receiver can be connected to a camera or mobile phone using the appropriate adapters. * The microphones operate on an Omnidirectional system to capture sound from all directions.