Monoprice Hi-Fi Reflective Sound Technology Earbuds Headphones- Black/Bronze with Microphone for Apple iPhone iPod Android Smartphone Samsung Galaxy Tablets MP3 Unique reflective design with drivers that point outward away from the ear. Reflective sound design reduces ear fatigue from extended listening sessions. Enhanced bass response. Inline microphone allows you to use these earphone for phone calls Tangle-free flat cable design prevents frustration Gold plated TRRS plug for smooth corrosion-free connections. 90-degree connector reduces strain on the cable.