BOYA BY-M1 Lavalier Phone Camera Universal Microphone

Full length: 6m
Directivity: Omnidirectional
Sensitivity: -30dB to 3dB (0dB = 1V / pa, 1kHz)
Frequency response: 65Hz-1 8kHz
Signal to noise ratio:> 74dB
Power supply: One button battery
Weight: 20.5g
Interface: standard universal 3.5mm connection plug