1)Frequency Response: 20Hz-20 kHz
2) Speaker Impedance: 32Ω ±15%
3) Driver Unit:40mm
4) Rated Power: 10mw
5) Power Handling Capability:50 mw
6) Cable Length: 2.2M
7) Sensitivity: 110+/-3dB
8) R.M.S:25mw
9) Plug: ¢3.5mm Stereo,
Earphone in Black