Logitech H390 Stereo USB Headset - Black (981-000485)– 1.9 m USB cable, Flexible Noise Cancelling Microphone, Adjustable Headband, Microphone Type: Bi-directional, Frequency response (Headset): 20~20 kHz , Frequency response (Microphone): 100~10 kHz, Input Impedance: 32 Ω Ohm, Connectivity: USB