Picking direction: omnidirectional

Microphone core size: 4.0*1.5mm

Sensitivity: -42±2db

Frequency response: f=1KHZ

Output impedance: ≤ 680 Ω / ≤ 2.2 KΩ

Working voltage: 2.0V

Signal to noise ratio: greater than 58db

Line length: 1.5m