1. Type: simple type earphone
2. Speaker: Ф10mm
3. Sensitivity: 102Db S.P.L at 1khz
4. Speak frequency response: 20Hz-20,000Hz
5. Impedance: 32Ω
6. Rated power: 100mw
7. Power capability: 1000mw
8. Cord length: about 1.0m
9. Plug type: Ф3.5stereo