Brand: DJI Type: Wireless Microphone Model: DJI Mic Mini Wireless Mode Operating Frequency: 2.400-2.4835 GHz Bluetooth Operating Frequency: 2.400-2.4835 GHz Wireless Mode: GFSK 2Mbps Equivalent Isotropic Radiated Power (EIRP): < 20 dBm Directional Type: Omnidirectional Battery Type: Li-ion Bluetooth Protocol: Bluetooth 5.3 Frequency Response: Low Cut Off: 20 Hz – 20 kHz, Low Cut On: 100 Hz – 20 kHz Maximum Sound Pressure Level (SPL): 120 dB SPL Equivalent Noise: 24 dBA Max Transmission Distance: 400 m Additional Features: Ultralight Wireless Microphone with 48-Hour Battery Life, Two-Level Noise Cancellation, Auto-Limiting, and 400m Stable Transmission. It Supports Mono/ Stereo Recording, Direct Osmo Audio Connection, Bluetooth Pairing, and Quick Charging for Creators on The Go.