In-ear headphones. Our iF Award winning Piston Classic strikes an ideal balance of function and form. Comfort is perfected by a 15° angle to match your ear canals. The driver’s dual layer diaphragm consists of aerospace grade titanium for fast response and high end clarity, and PET polymer for dynamic mids and deep bass. Our lightweight piston design fits comfortably in your ears, freeing you to enjoy your music. Beyond comfort, the snug fit increases noise isolation, fullness, and bass. 1MORE’S commitment to a naturally balanced sound, without the harsh bass and treble boosting prevalent with other brands, produces a fully satisfying listening experience without the need for unhealthy volume levels. We truly want you to hear what your favorite artists intended you to hear while protecting your ears. TECHNICAL DETAILS: Frequency Range: 20-20,000 Hz, Plug: 3.5 mm Gold Plated. Contest: In-ear headphones, 3 sets of silicone ear tips of various sizes, Attractive gift case, Clasping traveling case. Color: Space Gray.