CH01 Amazon top seller call center USB headset, HD microphone noise cancelling.

Advantages - Light weight & comfortable for long time wearing - High quality memory foam - HD microphone - On ear earpads - Work with PC, tablet, smart phones Specifications 1. Call center headsets 2. Drivers: 40mm, 32Ω 3. Frequency: 20-20KHz 4. Connect: USD2.0 5. Speaker Sensitivity: 115dB±3% 6. MIC Size: Ф6*5mm 7. MIC Sensitivity: -42dB 8. Directional Microphone: Noise canceling 9. MIC Frequency Response: 50Hz - 15KHz 10. Cord Length: 2/3M 11. System Required: - An available USB/2.0/3.0 - Windows XP/Vista/7/8/8.1/10 - Mac OS 10.4 or later