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产品名称: USB headphone
SPECIFICATIONS:
*Sensitivity at 1KHz : 105+/-3 dB;
*Impedance : 32+/-15% Ohm;
*Speaker dia : ¢40mm;
*Mylar : 12µ;
*Frequency response : 130-20000Hz;
*Input power : Nom40mw,Max 100mw
*.Distortion : Less than 3% at 1KHz 40mw
*Weight : Approx 205+/-3 grams;
*connector : USB2.0;
*Cord length :180 cm;
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