notice before purchase: its plug is 3.5 mm, if you phone does not have 3.5 mm 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 wont end up losing audio on your recordings when a battery dies and you didnt 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 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*Microphone 1*storage pouch 1*manual