A4 Tech HS-26
- Frequency Response: 20Hz~20KHz - Nominal Impedance: 32 ohm - Sensitivity: 97Db/10Mw/3mm - Jack Plug: OD 3.5mm Stereo - Cable Length: 1.8m - Sleek Behind-the-Neck Design - Earphone Hook Included - Volume Control In-Line - Microphone In-Line www.a4tech.com