Compared with DJI Mic (2 TX + 1 RX + Charging Case), DJI Mic (1 TX + 1 RX) includes only one transmitter and no charging case. It is more suitable for solo operators to vlog or livestream with. Expansive Compatibility With its own cables and accessories, DJI Mic works with smartphones, cameras, PCs, Osmo Action 3, and Osmo Mobile 6 to deliver great audio for vlogs, livestreams, and more. 14Hour Recording 8GB of internal storage delivers up to 14 hours of 48kHz 24bit audio without compression. Output audio files quickly to a computer using a data cable with this wireless microphone. OLED Touchscreen This microphone's receiver has a builtin 0.95inch OLED touchscreen for intuitive control and access to brightness, volume, or battery level information, and more. Magnetic Attachment Discreet, hideable, and suitable for coordinated recording, easily attach this wireless microphone to clothes or other objects for flexible and convenient use in any environment. Compact and UltraLight With its small size, convenient form factor, and an ultralight weight of just 30 g, DJI Mic is the ideal wireless microphone for content creators on the move. 250m (820 ft.) Range Mini microphone with a max transmission range of 250 meters in open, unobstructed environments. Ideal for scenarios like livestreaming, vlogging, and outdoor recording.