Fone de ouvido USB de alta qualidade com cancelamento de ruído ajustável, fone de ouvido dedicado para operador com microfone para PC e laptop

Features: The ear protector adopts high quality PU leather material, wear comfortable, soft. Circumaural, noise insulation, anti fatigue. Easy to use simple, plug and play. Headset by unilateral into line, exempt miscellaneous problems line. The high quality chip and PCB design reasonable bring excellent EMI characteristics. Descriptions: Horn Diameter: 30 mm Distortion is less than 1% Frequency response: 20 to 20000 Hz Impedance: 32ohm Sensitivity: 100 dB + 3dB The signal-to-noise ratio: ≥49dB Distortion: less than 1% Specifications: Material: plastic and metal Cable: 2m Color: black Package included: 1 x USB Headset Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!