Check the listing for details. Logitech, Labtech Icon-740 Behind the Head Headset. Color: Black & Silver, Condition: New. Listed at 24.95 USD. Logitech, Labtech Icon-740 Behind the Head Headset. MP3, CD, DVD. Cutting-edge headphones designed for the exploding MP3 and digital music lifestyle, the Icon Series offers an impressive combination of innovative features and progressive styling. The LT-740 attracts attention with its radical behind-the-head switchback style. This unique design is coupled with the latest in audio technology to provide stylish good looks, unobtrusive comfort and awesome sound quality.The LT-740 is the best choice for music lovers who want to hear great sounding music anytime, anywhere and want to look great doing it. Features include the switchback style behind-the-head design for comfortable and secure fit, 30mm drivers with super-strong neodymium magnets in port-tuned ear cups for enhanced bass response, in-line volume control with mono/stereo switch and shirt clip, soft foam ear pads, and a shielded audio cord with a gold-plated stereo plug.