Call Center Headset 3.5mm USB Wired Business Headphone With Microphone Volume Control Mute Cancelling Office PC Headphones Features: 1. Noise cancellation: The customer service call headset has noise cancellation function, which can keep the background noise outside to create clear communication. 2. Wearing comfort: 130 rotating microphone and stretchable headband will not be tired or painful after wearing for a long time. Wearing comfort. 3. Fall prevention: the head guard is tightly attached to your face, so that you can wear it safely and will not fall. 4. Universal compatibility: This telephone headset with microphone can be plugged into computers, For PS game consoles, desktops and other devices to achieve clear card-free communication. 5. Ultra-long cable: It allows you to take away files slightly away from you when you answer the phone, so as to solve problems for customers faster. 6. Super durable: The design and high-quality materials make this call center headset very durable and reliable. Specifications: 1. Type: customer service headset 2. Microphone: Yes 3. Impedance: 150 4. Signal-to-noise ratio: 105dB 3 dB 5. Frequency response: 20Hz-20KHz 6. Microphone rotation: 130 7. Microphone sensitivity: - 38 3dB 8. Headband: stretchable 9. Speaker diameter: 32mm 10. Cable length: 1.8m for USB plug, 1.2m for 3.5mm interface, 2.7m for USB+3.5mm separation cable 11. Applicable to: computers, laptops, desktops, mobile phones, For PS game consoles, etc 12. Plug: USB plug, 3.5mm plug, USB+3.5mm split cable for your choice 13. Package size: about 18 * 15 * 5 cm/7.48 * 5.59 * 1.46 inches 14. Package weight: 150g Package list: 1 * Business headset