1More Quad Driver In-Ear Headphone

1More Quad Driver In-Ear Headphones
*FOUR DRIVERS - diamond-like carbon dynamic driver (like Mini speakers) + 3 balanced armatures (like Mini tweeters) deliver unsurpassed dynamic power and definition.
*ERGONOMIC FIT - streamlined aluminum sound chamber with perfected ergonomics ensures exceptional comfort and noise isolation.
*NTELLIGENT CONTROLS WITH MICROPHONE - compatible with Apple and Android devices, you can control volume, change tracks, and make crystal clear calls
*TUNED TO PERFECTION - Expertly tuned by Grammy winning sound engineer Luca Bernarda for a fully balanced and ultra-realistic soundstage