Ergonomic Version Of Our Award-Winning Piston Classic oblique angled ear fittings naturally match your ear canals. 3 sets of included ear tip sizes ensure a proper fit for all. They’re more comfortable and less likely to fall out, freeing you to enjoy your music. Retro Meets Modern Design iPhone matched colors on an aluminum alloy body merges a timeless esthetic with your current device. Dynamic Driver dual layer composite driver with aerospace grade titanium delivers sizzling highs, present mids, and powerful bass. Tuned By A Grammy® Winning Sound Engineer 1MORE collaborated with internationally acclaimed sound engineer Luca Bignardi to perfect the final tuning to deliver a precise representation of your favorite artist’s intended sound. Superior MEMS Microphone in-line microphone conveniently located allows you to take calls without cross-talk or background static.No Warranty