Andrea Communications C1-1024200-1 Model USB-MA External Digital Audio PC Microphone Adapter, Bypasses a computer's internal microphone input, creating superior low-noise audio, Small form factor - compact and portable Premium external USB microphone adapter with stereo microphone input Bypasses a computer's internal microphone input, creating superior low-noise audio Small form factor - compact and portable Compatible with all current Andrea Communications microphones as well as any legacy microphones Shielded USB cable