The Voice Tracker is an advanced technology microphone for recording in larger rooms and meeting rooms with background noise problems. The Voice Tracker is capable of accurately capturing the person speaking up to 20 feet away, even with severe background noise, such as air conditioning or street noise. It will pick up further in quiet rooms. The Voice Tracker microphone includes a 25 foot cable for connecting to the the microphone input of the computer. An optional USB audio adapter can be used for connecting to any available USB port, bypassing the internal sound card in the computer.