Headphone Technology Parameter:

• Speaker Parameters:
• Diameter:Ф30mm
• Impedance:32Ω
• Sensitivity:115db±3%
• Noise Level:≤78dB
• Dynamic Range:≤78dB
• Distortion THD:≤0.1%
• StereoCrosstalk:≤-52dBA
• Frequency Response:20Hz-2000Hz
• USB cable length:1.5m
• 3.5mm audio cable length:1.5m

Microphone Parameters:

• MIC SIZE:Ф4*1.5mm
• MiC Sensitivity:-42dB±2%
• Directional microphone:Noise canceling
• MIC Impeddance:≤2.2kΩ
• MIC Frequency Response:50Hz-15Khz

System Requirements:

• Available USB2.0/3.0port
• Available 3.5mm Audio Jack
• Windows XP/Vista/7/8/8.1/10
• Mac OS 10.4 or later

Please note that all serial numbers are recorded for each unit shipped

THANKS FOR LOOKING AND GOOD LUCK

• Serious bidders only – Listed shipping fee is for U.S. bidders only (lower 48 States). Bidders from other U.S States and International bidder needs to inquire about shipping.
• Fast shipping. Ship within 24 hours after payment.