【New】Wired headset with a 30mm USB-connected speaker, perfect for web conferences with clear sound quality. - Brand: ELECOM - Model Name: HS-NB03USBK - Connection Type: USB connection - Speaker Size: 30mm - Impedance: 32Ω - Frequency Response: 20-20000Hz - Sensitivity: -42dB±3dB - Cable Length: 2.2m Thank you for viewing.