Headphone specifications:
- Drive unit: 27mm
- Frequency range: 20Hz - 20KHz
- Sensitivity: 98 - 4dB
- Max input power: 30mW
- Impedance: 32 Ohms - 15%
- Connector: 3.5mm stereo Mic plug

Microphone specifications:
- Directivity: Omni-directional
- Output impedance: 2.2K Ohms
- Frequency response: 20Hz ~ 20KHz
- Sensitivity: -54 - 3dB
- Cord length: 1.8M
- Connector: 3.5mm stereo Mic plug