Play sound with the depth equipped with a large-diameter ?15mm driver . I adopt not to be able to taste with earplugs type , a large driver of inner-ear type only , you can enjoy sound with the depth . Bass playing expressive in the new design -based dimension exciter . Easy operation at hand and adjust volume / rewind play / pause / track forward / music and video . without having to a series of operations operation , such as iPod touch and iPhone, and manipulate to see the screen to unlock it each time , it is equipped with a remote controller / microphone to enjoy the smart music and video . Click to operation , can be performed basic operations quickly . Support for voice memos such as the iPod and the iPhone calls a built-in condenser microphone . The built-in condenser microphone available call answer / end call in the iPhone, voice control and voice memos , and voice-over feature in iPod.<br>