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
