Cyber Acoustics AC-100B 3.5mm Connector Single Ear Speech Recognition Monaural Headset & Boom Mic Part: 646422300023 Headphone Frequency Response: 20Hz-20KHz Headphone Input Impedance: 32 ohm Weight: 0.15 Microphone Impedance: 680 ohms Microphone Frequency Response: 100Hz-16KHz Color: Black Electrical Outlet Plug Type: Plug Type “A� (USA, Canada, Mexico, Japan) |