Monaural Headset/VOIP/Internet with Detachable Mini USB Adapter Manufacturer Part# PC26USB The PC 26 USB is a single-sided starter headset with superior sound, providing great value for money. It's the perfect gear for voice recognition, internet telephony and all VoIP applications. The stylish design and comfortable fit make it an ideal choice for office and home use. Key Feature Product Type Headset Earpiece Design Over-the-head Earpiece Type Binaural Minimum Frequency Response 40 Hz Maximum Frequency Response 18 kHz Microphone Design Boom Connectivity Technology Wired Form Factor Semi-open Product Model PC 26 USB Microphone Sensitivity -38 dB Microphone Technology Noise Cancelling Sound Mode Stereo Host Interface Mini-phone USB Cable Length 118" Compatibility PC Laptop Impedance 32 Ohm