Logitech H540 USB COMPUTER HEADSET

Input Impedance: 20 Ohms

Sensitivity (headphone): 115dB +/-3dB

Sensitivity (microphone): -42dBV/Pa +/- 3dB

Frequency response (Headset): 20Hz to 20kHz

Frequency response (Microphone): 100Hz to 16.kHz

Cable length: 5.90 ft (1.8m)

Connections: USB-A compatible (1.1, 2.0, 3.0)