Logitech H390 USB Headset – WhiteSpecifications:Connection: Wired USB-AInput Impedance: 32 OhmSensitivity (headphone): 94 dBV/Pa +/- 3 dBSensitivity (microphone): -17 dBV/Pa +/- 4 dBFrequency response (Headset): 20 Hz – 20 kHzFrequency response (Microphone): 100 Hz – 10 KHzMicrophone Type: Bi-directionalCable length: 1.9mDimensions: 171 x 151 x 68mmWeight: 197gWarranty: 2 Year limitedFeatures:In-line volume controls – adjust the volume or mute calls without disruptionSimple plug-and-play USB-A connectionFine-tuned 30mm Audio driversAdjustable Headband & Boom Arm MicrophoneSwivel-mounted Leatherette ear cushions for hours of comfortMade with recycled plasticCertified Carbon NeutralNoise-Cancelling MicrophoneWhat’s in the box?1 x Logitech H390 Wired USB Headset1 x User Manual