1. Frequency response: 16Hz-20KHz
2. Impedance: 680 ohms
3. Microphone size: 9.7X4.5mm
4. Sensitivity: -32dB (0dB=1Pa)
5. Directionality: omnidirectional
6. Wire length: about 1 meter
7. Wire diameter: 2.5MM/2-core headphone cable
8. Accessories: with 1 sponge cover
9. Applicable: computer intercom; can be used with USB microphone jack