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, iPhone matched colors on an aluminum alloy body merges a timeless esthetic with your current device, dual layer composite driver with aerospace grade titanium delivers sizzling highs, present mids, and powerful bass. Comfort and fun Part of Your Everyday LifeIn order to give the cold aluminum smooth distinctive personality, 1MORE applies precision metal crafting, to allow simple lines sketched out of trumpet-shaped sound chamber appearance. Lightweight, compact design and naturally into everyday life. 45°In-Ear Design Sampling data from Medical Canal, fitting and comfortableFor more fitting experience, the front acoustic tube adopts a 45° degree in-ear design? Balanced size of ear tip is obtained based on a large number of canal medical data?tried and tested by over a hundred people, to ensure a comfortable wearing experience