Bring you an original and emotional music experience1MORE Piston Earbud Excellent and powerful bass Ergonomic earplugs design USER-FRIENDLY design and controls Classical luxury metal designClassical Luxury Metal DesignClassical jewelries present the luxury color of rose gold in metal pattern. The exclusive bionic design CD-grooves-like from 1MORE patent named as FFMM Finger Friendly Machine Mark is applied on surface of the chambers. This patent makes it easier to operate without any fingerprintsPatented aerospace-grade metal composite diaphragmIn order to reproduce sounds as artists originally intended, 1MORE uses an aerospace-grade metal composite diaphragm with patented sandwich-layer design. This creates clean highs, beautiful vocals and mid-range, and powerful bass. Youll feel every note.Ergonomic earplugsWe call our specially designed, silicone tips rabbit ears. They feel smooth and comfortable on your skin, yet they wont slip while you go about your active day. Theyre also easy to remove when you need to listen to other people. Intelligent Control TechnologyIn-line controls are conveniently located allowing you to control volume, select songs, and take calls. A superior MEMS microphone eliminates cross-talk and background static.