Sell Headphone for Computer

1.Sensitivity at 1KHz:105+/-3 dB;
2.Impedance:32+/-15% Ohm;
3.Speaker dia:40mm;
4.Mylar:12;
5.Frequency response:140-10000Hz;
6.Input power:Nom10mw,Max30mw;
7.Distortion:Less than 5% at 1KHz 10mw;
8.Weight:Approx 205+/-3 grams;
9.connector:3.5mm;
10.Cord length :300 cm;
11.color:Gray & black.
12.Packing detail:
Out carton Means：54*32*39cm
inner carton means:30*25*35.5cm
QTY:60PCS
Net:12.0KG
Grow:16.0KG
One giftbox for a headset