notice before purchase:
its plug is 3.5mm,if you phone does not have
3.5mm slot,then it can not with this mic,like
iphone 7,8,and android phone which only has a type c slot.

Product feature
this mic set does not need require a battery.
This mic uses an electret condenser mic. Instead of a battery-supplied current, this mic use a
permanent charge in an electret material. What this means to users is that you won't end
up losing audio on your recordings when a battery dies and you didn't notice.

Product Specification：
Monomer: Back electret condenser
Directivity: Omnidirectional
Frequency: 30Hz-20kHz
Sensitivity: -32 dB ± 3 dB (0 dB =1V/Pa at 1 kHz)
Equivalentnoise level: 22 dBA
Maximum sound pressure level: 130 dB (THD ≤ 1.5% at 1 kHz)
Output impedance: 2.2K Ω ± 30% (at 1 kHz)
Service voltage: DC 1.5V~5V

Kindly Notes:
There is a built-in high-sensitivity radio device of the microphone to avoid water or strong impact.
Please store the microphone in a dry and clean place when not in use to avoid distortion
caused by excessive sound.
For good pickup effort, please install windproof cotton when using.
The clip-on microphone has high sensitivity and there shall be a distance of 10-15CM
between it and the sound source to avoid distortion caused by excessive sound.

Package Includes:
1*Lavalier Microphone
1*storage pouch
1*manual