BOYA BY-M1 PRO Universal Lavalier Microphone With Audio Output Port
Brand: BOYA
Product type: Microphone
Color: Black (As given picture).

Basic Information
Microphone Type: Lavalier
Sound Level: -10dB sound attenuation
Switch: 0/-10dB
Noise/Signal: 78 dB SPL

Main Spec
Frequency Range: 65 Hz ~ 18 KHz
Sensitivity: -30 dB +/- 3 dB / 0 dB=1V/Pa, 1 kHz
Output Impedance: 1000 Ohm or less
Dimension: 6.0m
Weight: 58g
Polar pattern: Omni-directional
Connector: 3.5mm (1/8”) 4-pole gold plug
Battery: LR44 included (compatible with LR44, 357, and SR44)

Using the Microphone
Audio recorders: Yes
For DSLR: Yes
PC: Yes
Smartphone: Yes