Power Advantage E-00538-0 Dubz Headphone 2 Hybrid Hi Definition Headphones with 4 Speakers & Phone Mic Switch Cord, White Converts from headphones to external speakers with the touch of a button Contains four (4) HD neodymium speakers with amplified sound Custom vented memory foam ear cups Fully adjustable for a custom fit Made for iPhone, iPad, iPod, and any mobile device with a speaker input jack