1. Frequency response: 50Hz-20KHz
2. Impedance: 680 ohms
3. Directionality: omnidirectional/unidirectional
4. Plug: straight
5. Application: mobile phones, tablets, notebooks, desktop computers
6. Wire diameter: 1.2mm/2 core earphone cable
7. Total length: 48mm
8. Microphone size: 9.7X5.0mm