This call center USB headset helps you communicate with customers clearly and conveniently for better customer service. Dual speaker design isolates noise effectively to give a face-to-face communication effect. And 330° rotary earmuffs make wearing so comfortable that you will not feel fatigue or pain after long time wearing. Furthermore, mute button allows you to power on/ off the microphone for more convenient use. Features: 1.Noise Cancelling Communication - The call center headset comes with dual speaker design to keep noise outside to create a clear communication. 2.Comfortable Wearing - Earmuffs support 330° rotation, which makes it suitable for head of different sizes to give you a comfortable wearing. 3.Mute Function - A mute button in the in-line button allows you to power on/ off the microphone to make it more convenient to use. 4.Hearing Protection - There is a in-line scroll, which helps you adjust volume freely to protect your hearing. 5.Super Long Cable - Super long cable up to 2.5m allows you to take files that a little far away from you while answering a call to solve problems for customer immediately and more quickly. 6.Universal Compatibility - This call center USB headset can be plugged into a computer, telephone, desktop box and other devices. Specifications: Product type: USB Call Center Headset with Microphone Plug: USB Cable length: approx. 2.5m Earmuff rotation: 330° Microphone: YES Impedance: 150Ω Dual speaker design: Support Sensitivity: 100dB Headset cable material: PU Suitable: For computer, telephone, desktop box, other devices Package size: approx. 19 * 14.2 * 3.8 cm/ 7.5 * 5.6 * 1.5 in Package weight: 198g/ 7.0oz Package List: 1 * Call Center USB Headset 1 * English User Manual