Sennheiser HD 219 S Headphones with Integrated Microphone for Smartphones, Black Universal fit - compatible with virtually any smart phone in the market featuring 3.5mm headphone jack, including Android, Windows Mobile, RIM (Blackberry) and iOS devices.Connectivity Technology: Wired Lightweight, on ear design with single sided cable is extremely comfortable for long listening sessions. Vibrant sound with punchy bass - high-output neodymium magnets for stereo sound with powerful bass response 2-year warranty