BOYA M1 lavalier microphone

Model: Boya BY-M1
Signal to noise ratio:> 74dB
Directivity: Omnidirectional
Power supply mode: 1 button battery
Sensitivity:--30dB+3dB
(0dB=1V/pa.1kHz)
Frequency response: 65Hz--18kHz
Product interface: standard 3.5mm connection plug
Supported devices: Apple/Xiaomi/Samsung/Huawei mobile phones, SLR cameras/camcorders/handheld DV/recording pens

Style 1: BY-M1 Universal Lavalier Microphone (requires battery)
Style 2: BY-M1S Universal Lavalier Microphone (no battery required)
Style 3: BY-M1 PRO Lavalier Microphone (Active Noise Reduction)
Style 4: BY-M1DM Lavalier Clip Microphone One to Two
Style 5: BY-M2 Lavalier Microphone (Apple Lightning Interface)
Style 6: BY-M2D Lavalier Microphone (Apple Lightning Interface
Style 7: BY-M3 Lavalier Microphone (Android Type-C interface)
Style 8: BY-M3D Lavalier Microphone (Android Type-C interface)
Style 9: BY-LM40 Lavalier Microphone (USB interface)