Cables Unlimited Retractable Mono VoIP Cable (Black) Easily extends to over 48 Inch by pulling both ends. Simply pull again and it quickly retracts back into its housing Less than 4 Inch long when retracted! Provide users with superior comfort, portability and performance, while providing exceptional sound Ideal for Voice-Over-IP, speech recognition or video conferencing applications Lightweight, streamlined design for easy travel and storage