Specifications: Product type: USB Call Center Headset with Microphone Plug: USB Cable length: approx. 220cm/ 86.61in Microphone: YES Impedance: 150Ω Suitable: For computer, telephone, desktop box, other devices Package size: approx. 19 * 15 * 4 cm/ 7.48 * 5.91 * 1.57 in Package weight: 198g Package List: 1 * Call Center USB Headset 1 * User Manual Noise Cancelling Communication: Center USB headset helps you communicate with customers clearly and conveniently for better customer service, and the noise-canceling function allows you to get clear, stable and smooth sound during calls. Built-In Scroll Bar: Mute function USB headset has a built-in scroll bar that helps you freely adjust the volume to protect your hearing. The headset is precision engineered to make this call center headset very durable and reliable, lasting a long time. Support 360° Rotation: The ear cups of the USB headset support 360° rotation, and the headband can be stretched and retracted to fit different sizes of heads, allowing you to wear comfortably without fatigue or pain even after prolonged wear. Excellent Compatibility: USB headset with noise cancelling microphone has excellent compatibility and can be plugged into computers, phones, desktop boxes and other devices to achieve clear, stable and smooth communication without getting stuck or conflicting, which is very practical. Up To 220 Cm / 86.61 Inches: With an extra-long cable of up to 220 cm / 86.61 inches, the USB headset allows you to take calls while carrying files that are a little further away from you, solving problems instantly and faster for customers. The mute button in the online button allows you to turn the microphone on/off, making it more convenient to use.