Wire: aps material, single-core shielded wire, very durable, 1.5 meters in length *2, can be used freely,
microphone: clear audio, suitable for various mobile phone brands.
product properties:
microphone size: φ6.0×2.2mm high sensitivity anti-interference microphone core
sensitivity: -30db±2db rl=2.2ko vs=3.0v
directionality: omnidirectional
impedance: ≤2.2kω
working voltage: 5.0v
frequency range: 20hz- 16khz
signal-to-noise ratio: greater than 60db
plug diameter: 3.5mm