1MORE E1017 Dual Driver In Ear Headphones – Black SUPERIOR SOUND USING TWO DRIVERS A balanced armature and a separate graphene driver deliver a powerful yet intimate listening experience. Our balanced armature (mini-tweeter) produces clear highs and is uniquely inset with a durable silicone cover for lasting performance and clarity. Our graphene driver (mini-speaker) greatly increases midrange definition and deep bass. SONIC BALANCE & NOISE ISOLATION Unlike the harsh bass or treble boosting prevalent with other brands, our headphones produce an evenly balanced frequency response to deliver a precise representation of the artist’s intended sound. The angled ergonomic fit with multiple ear tip options ensure comfort, noise isolation, and deep bass. CUTTING EDGE DESIGN A perfected ergonomic fit and lightweight aluminum alloy body provide enhanced comfort and durability while still having an aesthetic appeal. An improved “L� shaped 3.5 mm plug adds extra security. HI-RES CERTIFIED Hi-Res certified, our Dual Drivers have an extended frequency range of 40,000 Hz. The music industry is transitioning towards Hi-Res audio and our Dual Drivers are suited perfectly for this trend.