GREENPOINTSELECT Premium PRO-1 Genuine bullet "Lifetime Warranty" Full Metal Housing Dual Driver Deep Heavy Bass Handmade In-ear Noise-isolating Headphones + 6.35mm to 3.5mm Adapter As Gift Greenpointselect noise cancelling dual driver headphones produce unique combination of deep bass with clean vocals and clear sound MTL earphones have dual drivers that produce different pairs of the frequency spectrum. Three sizes (S/M/L) of custom comfortable silicone ear tips and proffessional speaker units and copper cable. Durable Oxygen-free copper (OFC) and TPE 3.9ft cable copper cord; 3.5 mm gold plated jack for reliable connectivitySealed In-ear Construction. We turn 2 genuine bullet shells into a awsome Headset. With the stylish design and high-end sound quality, Greenpointselect earphones are designed for the latest generations of iPod, iPhone, and iPad. They work with all Androids, tablets, mp3 players, and related devices. We provide 2 Year warranty for this headphones.