Input impedance: 20 ohms
sensitivity (headphone): 115 db +/-3 db
sensitivity (microphone): -42 dbv/pa +/- 3 db
frequency response (headset): 20 hz to 20 khz
frequency response (microphone): 100 hz to 16 khz
cable length: 1.8 m
connections: usb-a compatible (1.1, 2.0, 3.0)