These headphones are designed to provide maximum performance when used with all of today's portable music devices,

Features include: Powered Isolation technology actively reduces external noise for crystal-clear sound; advanced speaker design; extra-large 40mm Drivers deliver rich transient response; Powered Digital amplification provides wide, natural sound with deep bass; headband has hinged ear cups with comfortable ultrasoft, breathable plush ear pads; Monster Quadripole headphone cable for reduced interference and expressive sound; Includes Monster iSoniTalk headphone cable with integrated microphone and answer button for use with iPhone, Blackberry and other music-enabled cell phones; Push to Listen Mute button lets you talk on your cell phone without removing the headphones; Folding design for go-anywhere portability; Includes 2 AAA batteries, antimicrobial cleaning cloth, iSoniTalk cell phone cable, 1/8"-to-1/4" headphone Adapter and protective case.