Logitech USB Headset H390 Over-the-Ear Headphones with Noise Cancelling Microphone

CRYSTAL CLEAR AUDIO AND HANDY IN-LINE CONTROLS DIGITAL STEREO SOUNDInput Impedance: 32 OhmsSensitivity (headphone): 94dBV/Pa /- 3 dBFrequency response (Headset): 20 Hz – 20 kHz NOISE CANCELING MICSensitivity (microphone): -17 dBV/Pa /- 4 dBFrequency response (Microphone): 100 Hz -10 kHz IN-LINE CONTROLS PADDED HEADBAND AND EAR CUPS USB CONNECTION Connections: USB compatible (1.1 and 2.0) Cable length: 7.64 ft (2.33m )