Panasonic drops360&deg;LUXE Premium In-Ear Stereo Headphones RP-HJX20-K (Black and Silver) Powerful Bass, with Travel Case drops360 black and metallic silver LUXE premium in-ear headphones offer premium sound and powerful bass with 13.5mm coaxial dual coil drivers. Connectivity Technology: Wired Large aluminum housing and high-grade cord minimize distortion New ear piece and long audio port design offer superior noise isolation Perfect for travel with travel pouch included