In the folding mechanism of its own that can be compact size Quick folding mechanism adopted simple, easy to carry. ? to achieve a 30mm driver adopt high-quality sound reproduction, 30mm diameter driver unit adoption. ? I adopt a color code that coordinate with color code adopted body color. ? by the groove fine serration surface code code that is hard to tangle, to reduce the friction that is the cause of pungency. ? color variations to choose / ? ? Model Specifications: Sound Pressure level output 24? (sensitivity):: 1000mW Impedance: Input up to 10 ~ 24000Hz: band frequency reproduction ?30mm: caliber driver Sealed dynamic 98dB Plug: 3.5mm stereo mini plug cord: 1.2m weight: about 125g accessories