QuietComfort 3 Acoustic Noise Cancelling headphones from Bose feature a small, light on-ear design. With advanced engineering to bring you the same acclaimed level of performance as the Bose QC 2 headphones. QC3 headphones extend this standard to new levels of performance and portability. For the first time, Bose research gives you the option of lightweight on-ear headphones with the same noise reduction and audio quality as QC2 around-ear headphones. For planes, trains and wherever you listen The full-spectrum noise reduction found in QC3 headphones dramatically reduces jet engine roar - and helps fade other distractions into the background. Just connect these headphones to portable players, computers and in-flight systems for audio so detailed you may hear nuances you've never noticed before. QC3 headphones also feature a new rechargeable battery and charger. And they can be used with most MP3-enabled phones through the optional Cell Connect kit. When you're done listening, the headphones fold flat for easy storage in a slim carrying case. QuietComfort 3 Acoustic Noise Cancelling headphones deliver acclaimed Bose performance in a new on-ear design. Just slip them on and experience the difference proprietary technologies make. Enjoy full-spectrum noise reduction that fades background distractions. Rich, clear audio that reveals nuances you might have missed. And a compact, lightweight, easy fit for hours of comfortable listening. It's a unique combination of benefits available only from Bose, and now yours with QC3 on-ear headphones. Hear the difference for yourself Wear QC3 headphones when you fly, and you'll notice a dramatic decrease in engine roar the moment you turn them on. The cabin becomes more peaceful; you can hear yourself think. Use the detachable cord to connect your MP3, DVD or CD player, or to listen to the in-flight movie. You'll hear audio detail and clarity you may have never experienced before. Wear QC3 headphones at home or at the office and notice distractions fading softly into the background. No headphones will eliminate all noise. But proprietary Bose noise reduction and audio technologies work together to make almost any listening experience more rewarding. A new choice in headphone design Many people prefer the fit of on-ear headphones. But conventional technology can compromise the performance of smaller earcups. Bose engineers began exploring something they weren't sure was even possible: overcoming the performance limitations of smaller-sized, on-ear headphone design. With their introduction, you finally have the option of Bose on-ear headphones that match the noise reduction and audio quality benefits of Boss around-ear QC2 headphones. The same level of outstanding performance. With a smaller, on-ear design. Greater convenience and portability QC3 headphones can be paired with most music-enabled mobile phones through the optional Cell Connect cable. And when you're done listening, the earcups fold flat fo