1. Frequency response: 20Hz-16KHz
2. Impedance: 2.2K ohms
3. Signal-to-noise ratio: greater than or equal to 58dB
4. Current consumption: less than 500uA
5. Microphone size: 6.0 x 2.7mm
6. Sensitivity: -26dB+/-3dB
7. Directivity: omnidirectional
8. Plug: USB
9. Switch: push button switch