Logitech H390 USB Wired Headset Stereo Headphones with Noise-Cancelling Microphone

1. System requirements: Compatible with mainstream calling applications on multiple platforms and operating systems, for Windows or macOS, Chrome OS 2. Headset type: Wired headset 3. Input impedance: 32 Ohm 4. Sensitivity (headphone): 94dBV/Pa +/- 3 dB 5. Sensitivity (microphone): -17 dBV/Pa +/- 4 dB 6. Frequency response (headphones): 20 Hz-20 kHz 7. Frequency response (microphone): 100 Hz -10 kHz 8. Connection: USB-A (1.1, 2.0, 3.0) 9. Cable length: 2.33m