Quad Driver In-Ear Headphone B-Stock

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