Description:<br> The headset comes with noise cancelling function to keep background noise outside to create a clear communication. 300¡ã rotary earmuff and stretchable headband give a comfortable wearing without no fatigue or pain after long time wearing. Super long cable allows you to take files that a little far away from you while answering a call to solve problems for customer more quickly. Precision design and high quality material make this call center headset very durable and reliable.<br> <br> Specification:<br> Material: ABS + Metal<br> Color: Black<br> Size: Approx. 160 cm (Wire Length)<br> 5(Diameter) x 3.2(Thickness) cm / 1.9 x 1.2 inch (Single Earplug)<br> Model: Single 2.5MM head <br> Plug: Single 2.5mm<br> Headphone Type: Headphones<br> Wearing Method: Head-mounted<br> Whether Wireless Headphones: Wired Headphones<br> With or without a microphone: Yes<br> Sensitivity: 100dB<br> Distortion Rate: 5%<br> Impedance: 150¦¸<br> Horn Diameter: 28mm<br> Headphone Cable Material: PU <br> Weight: Approx. 187 g<br> <br> Package List:<br> 1 x Headphone<br> 1 x User Manual <br> <br> Note:<br> 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.<br> 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.<br> <br> <br> <br> <br>