DJI Mic Mini (1 TX + 1 RX)

Transmitter
Model: DMMT01
Dimensions: 26.55×26.06×15.96 mm (L×W×H)
Weight: Approx. 10 g (excluding the clip magnet)
Wireless Mode: GFSK 2Mbps
Equivalent Isotropic Radiated Power (EIRP): Wireless Mode Operating Frequency: 2.400-2.4835 GHz
Bluetooth Protocol: Bluetooth 5.3
Bluetooth Operating Frequency: 2.400-2.4835 GHz
Bluetooth Transmitter Power (EIRP): Battery Type: Li-ion
Battery Capacity: 114 mAh
Battery Energy: 0.44 Wh
Battery Voltage: 3.87 V
Charging Specification: Max 5 V
Charging Temperature: 5° to 45° C
Operating Temperature: -10° to 45° C
Charging Time Approx.: 90 minutes
Operating Time Approx.: 11.5 hours. Measured using DJI Mic Mini (1 TX + 1 RX), with noise cancellation off, during close-range audio recording under interference-free conditions, with the transmitter connected to the receiver and the receiver connected to a camera via the Camera Audio Cable (3.5mm TRS).

Receiver
Model: DMMR01
Dimensions: 46.50×29.61×19.32 mm (L×W×H)
Weight: Approx. 17.8 g (including the interface cover)
Wireless Mode: GFSK 2Mbps
Equivalent Isotropic Radiated Power (EIRP): Operating Frequency: 2.400-2.4835 GHz
Bluetooth Protocol: Bluetooth 5.3
Bluetooth Transmitter Power (EIRP): Bluetooth Operating Frequency: 2.400-2.4835 GHz
Battery Type: Li-ion
Battery Capacity: 170 mAh
Battery Energy: 0.66 Wh
Battery Voltage: 3.87 V
Charging Specification: Max 5 V
Charging Temperature: 5° to 45° C
Operating Temperature: -10° to 45° C
Charging Time: Approx. 100 mins
Operating Time: Approx. 10.5 hours. Measured using DJI Mic Mini (1 TX + 1 RX), with noise cancellation off, during close-range audio recording under interference-free conditions, with the transmitter connected to the receiver and the receiver connected to a camera via the Camera Audio Cable (3.5mm TRS).

General
Polar Pattern: Omnidirectional
Frequency Response: Low Cut Off: 20 Hz - 20 kHz; Low Cut On: 100 Hz - 20 kHz"
Maximum Sound Pressure Level (SPL): 120 dB SPL
Max Input Level (3.5 mm): -
Equivalent Noise: 24 dBA
Monitor Interface Output Power: -
Max Transmission Distance: 400 m. Measured in an open, unobstructed environment free of interference, and is for reference only.