NOISE REDUCTION This call center headset has a noise reduction function, which can keep background noise in the outside world and clear the surrounding noise to achieve clear communication. ADJUST AS YOU LIKE This call center headset has a built-in scroll bar that can help you freely adjust the volume to protect your hearing. The 250cm/98.43in ultra-long cable allows you to answer the call at a distance from you, and at the same time answer the call immediately, so as to solve the problem for customers faster. COMFORTABLE TO WEAR The earmuffs of this call center headset can be rotated 360°. The headband can be pulled apart and put away. Even if it is worn for a long time, it will not be tired or painful. MUTE FUNCTION This call center headset has a mute function. The mute button in the embedded button allows you to turn on/off the power of the microphone to make it more convenient to use. Package List: 1 * Call Center USB Headset 1 * User Manual 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 COMPATIBILITY This call center headset can be plugged into computers, phones, desktops and other devices to achieve clear, stable and smooth communication without jams or conflicts.