1.Computer headset compatible for MP3/Mp4/CD/Computer/PMP,etc
2.Computer headset with volume control and Microphone
3.Precise, comfortable fit for long-term wear
4.Delivers smooth sound with enhanced bass
5.Angled nozzle for proper in-ear alignment
6.Durable, built-in strain relief

Drive unit：￠30mm
Frequency response：20-20kHZ
Sensitivity:105db±3db
Impedance:32 ohm
Polar pattern: Omni-directional
Frequency response：40-16kHZ
Sensitivity：-56dB±3dB
Input Plug Diameter：3.5mm