Monoprice Enhanced Bass Hi-Fi Noise Isolating Earbuds Headphones You don't have to spend a lot of money to get great sound and nowhere is that more evident than in these in-ear earphones. Featuring a unique design they produce better sound with stronger bass and cleaner highs than conventional in-ear designs. The Hi-Fi Reflective Sound Technology Earbuds Headphones with Microphone-Black/Carbonite supports the following features: Reflective SoundIn-Line Controller | Compatible w/ iPhone Aluminum Housing 90 Connector & Flat Cable Enhanced Bass. The Hi-Fi Reflective Sound Technology Earbuds Headphones with Microphone-Black/Carbonite supports the following features(continuation): Unique and patented reflective design with drivers oriented outward away from the ear Monoprice not only stands behind every product we sell with a 1 year replacement warranty we offer a 30-day money back guarantee as well! If the product you purchase does not satisfy your needs send it back for a full refund. Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.