Get it by Sunday January 28th by choosing the expedited option during checkout.
Speaker Diameter: 40 mm
Speaker Frequency: 20 ~ 20 KHz
Speaker Impedance: 32ohm ± 15%
Speaker Sensitivity: 110dB ± 3dB
Microphone: Mic Diameter: 6.5 mm Mic Sensitivity: -58dB ¡À 2dB Mic Impedance: 2.2Kohm ¡À 15% Cord Length: 2200 mm
Imported from USA
iMicro IM320 USB Headset Stereo with Microphone