XB450AP EXTRA BASS Stereo Headphone Headset support calls

What inside the box: MDR-XB450 x1 pcs ( 2 different design packaging, item is same) Features Advanced Direct Vibe Structure -30mm driver unit -Seamless ear pads -Soft head cushions -Tangle-free serrated cord -Big bass meets smartphone convenience -With its twin 30mm drivers and Bass Booster, these headphones deliver big sound without breaking a sweat. Plus the in-line remote with mic lets you take control of your Smartphone’s music and calls. Designed to blast the bass -The Bass Booster amplifies the low end frequencies through a specially designed duct in the housing, while an improved seal between the driver unit and your ears keeps sound in. Get the bass you crave from 30mm XB driver units -Enjoy enhanced bass with the balanced rigidity and high response Extra Bass Diaphragm, which maintains powerful performance through hours of listening.