D10 Specifications
* Speaker: Φ40mm Mylar speaker
* Impedance:32Ω±15%Ohm
* Sensitivity: 105±3dB/mW
* Effective Freq.Band: 18∽22KHz
* Rated input power: 50mW
* Max.input power: 10mW
* Plug Type: Ф3.5mm stereo
* cord length: about 2M
* net weight:
* gross weight: