LOGI H390 USB Computer Headset - WHITE 80000596 981-001286 Product Description: Logitech H390 - headset Product Type: Headset - wired - USB-A Compatibility: Chrome OS, Mac, Windows Recommended Use: Computer - communication Colour: Off-white Headphones Form Factor: On-ear Connectivity Technology: Wired Sound Output Mode: Stereo Sound Effects: Crystal Clear Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 94 dB +/- 3dB Impedance: 32 Ohm Microphone: Boom Microphone Operation Mode: Bi-directional Microphone Noise Cancelling: Yes Controls: Mute, volume Manufacturer Warranty: 2-year warranty