The Parrott TalkPro CT1 is a voice input computer control interface and telephone headset designed for use by individuals who are blind or who have low vision or upper extremity or severe physical disabilities. This monoaural speech recognition headset includes a computer/telephone switchbox, a Gentex microphone, and a pendant with Quick Disconnect, and is designed for users of computer audio applications who also work on the phone. The user can switch the headset microphone between computer and telephone with the touch of a button. The reception of audio remains ôopenö in both microphone positions. It is compatible with most phones that have the dialpad on the base, not the handset. It has a 270-degree swivel ear piece and a soft cupped ear cushion, a flexible microphone boom, and an adjustable headband. It is compatible with all computer sound cards. Other features include volume adjustment, a microphone mute button, and two 3.5 millimeter sound card plugs. OPTIONS: Foot operated switch. POWER: Uses alternating current (AC). WARRANTY: Two years.