This call center headset helps you offer better customer services. Noise cancelling function helps isolate noise to make sure a super clear sound. And the stretchable headband provide you with a comfortable wearing. Furthermore, speaker volume can be adjusted. Suitable for different situations.Features:Noise Cancelling - The call center headset comes with noise cancelling function to keep background noise outside to create a clear communication.Comfortable Wearing - Sretchable headband gives a comfortable wearing without no fatigue or pain after long time wearing.1.6m Long Cable - 1.6m 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.Universal Compatibility - This Telephone Headset with microphone can be plugged into a professional call box, VOIP net call and other telephones.Super Durable - Precision design and high quality material make this call center headset very durable and reliable.Specifications:Product type: Call Center HeadsetMicrophone: YESImpedance: 150Cable length: 1.6mHeadband: StretchableHeadphone cable material: PUSuitable: For professional call box, VOIP net call and other telephones.Package size: approx. 19 * 14.2 * 3.8 cm/ 7.5 * 5.6 * 1.5 inPackage weight: 188g/ 6.6ozPackage List:1 * Call Center Headset1 * English User Manual