DJI Mic – Wireless Microphone System for Smartphones, Cameras,

From the manufacturer

Record Multiple Sources – The wireless microphone system includes two transmitters that support omnidirectional audio. This makes it the ideal mic pack for multi-person interviews and small studio operations.
Sharp Audio at Distance – Enjoy clear and reliable audio, even in complex scenarios. A powerful wireless 250 m transmission keeps audio stable while reducing sound delay, even at long distances.
Compact and Portable – Weighing less than 30 grams, DJI Mic takes up next to no space in your camera bag or backpack. Conveniently attach a wireless lavalier mic to your sweatshirt or guitar via the convenient back-clip or by using the clip magnet.
Vastly Compatible – The DJI Mic receiver supports USB-C, Lightning, and 3.5mm TRS interface output, making it compatible with mainstream smartphone, camera, and laptop models.
All-Day Recording – Get a full day of audio recording with DJI Mic. Enjoy 5.5 hours of battery life from the transmitters, 5 hours from the receiver, and up to 15 hours with the charging case.