Boya BY-M1S Lavalier Microphone Overview:

• Clip-on mic for Smartphone, camera, camcorder, recorder, PC etc.
• Higher sound quality and lower noise
• Switchable Smartphone and Camera mode
• No batteries required for either camera or smartphone use

Specifications:

• Frequency response: 50Hz-20kHz
• Signal/Noise: 78dB or more
• Sensitivity: -30dB+/-3dB(0dB=1V/Pa, at 1kHz)
• Output impedance: 600Ω
• Cable length: 6.0m (20ft)