Product Description Enjoy the ease of gaming, working and talking to loved ones with the help of the AC-101 headset by Cyber Acoustics. This monaural headset has an ambidextrous design with the 180-degree adjustable boom microphone. The adjustable headband and leatherette ear pad sit comfortably on your head so you can enjoy extend hours of use. The Direct Noise Canceling Microphone Technology (DNCT4) allows for reliable voice recognition so you will be clear and easy to understand. From the Manufacturer Headset Solutions Frequency Response Drivers Microphone Headset Style Earpads/Buds Cable Length and Input Inline Volume Control AC-96i Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 10mm neodymium Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal In-ear stereo ear buds 4 different sized ear gels 4' 3.5mm 4-barrel plug Yes AC-94 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 10mm neodymium Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal In-ear stereo ear buds 3 different sized ear gels 5' 3.5mm 4-barrel plug Includes PC Y-adapter Mute option AC-92 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 10mm neodymium Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal In-ear mono ear buds 3 different sized ear gels 5' 3.5mm 4-barrel plug Includes PC Y-adapter Mute option AC-8000 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm neodymium Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal For kids, adjustable, over the head, stereo Leatherette ear pads 9' Dual 3.5mm plugs Volume knob on each ear cup AC-850 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm neodymium Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, stereo Leatherette ear pads 8' USB Yes AC-840 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm neodymium Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, mono Leatherette ear pads 8' USB Yes AC-401 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 40mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, stereo Leatherette ear pads 7' Dual 3.5mm plugs Yes AC-404 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 40mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, stereo Leatherette ear pads 7' Dual 3.5mm plugs Includes PC Y-adapter Yes AC-201 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, stereo Leatherette ear pads 7' Dual 3.5mm plugs No AC-204 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, stereo Leatherette ear pads 7' 3.5mm 4-barrel plug Includes PC Y-adapter No AC-101 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, mono Leatherette ear pads 7' Dual 3.5mm plugs No AC-104 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, over the head, mono Leatherette ear pads 7' 3.5mm 4-barrel plug Includes PC Y-adapter No AC-648 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, behind the head, stereo Soft foam ear pads 7' 3.5mm 4-barrel plug Includes PC Y-adapter Yes AC-645 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, behind the head, stereo Soft foam ear pads 7' Dual 3.5mm plugs Yes AC-634 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 30mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Adjustable, behind the head, stereo Soft foam ear pads 7' Dual 3.5mm plugs No AC-740 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 23mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Ear clip Mono Soft foam ear pad 7' Dual 3.5mm plugs Yes AC-744 Headset: 20-20,000 Hz Microphone: 100-16,000 Hz 23mm dynamic drivers Omnidirectional Microphone 62dBV/Microbar 42dBV/Pascal Ear clip Mono Soft foam ear pad 7' 3.5mm 4-barrel plug Includes PC Y-adapter Yes