NoiseGard 2.0 noise-canceling technology actively reduces up to 90% of outside noise. Stereo Bluetooth wireless technology delivers hands-free convenience and hi-fi sound. TalkThrough technology: one press of a button activates external microphone. Invisible microphone for taking calls in between play lists and songs. Neodymium magnets and patented Duofol diaphragms deliver excellent sound reproduction. Product Description [...]