Boomphones QS 1.O Black Headphones The first-ever headphones that can transform into a boombox with just the push of a button. Boomphones have the power, and the multifunctional appeal, to revolutionize the way that consumers listen to music Designed with four speakers  two on the inside of the headphones, and two on the outside Boomphones are a portable sonic solution that MTV Geek! called simply a great idea! when the product was unveiled at the Consumer Electronics Show (CES) Boomphones allow you to make and answer phone calls, whether listening privately or, with the push of a button, switching to speakerphone. Two audio cables are included, one with an integrated microphone, volume control and push-to-talk capabilities Comfortable to wear, and available in Matte Black and Polished White, Boomphones use a built-in lithium battery thats easily rechargeable through a mini-USB, providing a full 10 hours of internal use and 5 hours of external use