A4 Tech HS-105
- Frequency Response: 20-20KHz - Speaker Rated Impedance: 32ohm - Sound Pressure(1khz/0db): 94dB±3dB - Jack: 3.5mm Stereo Jack - Cable Length:2.0M - Microphone Sensitivity:-58db±db - Earphone Hook Included - Volume Control In-Line - Microphone In-Line www.a4tech.com