Sony Premium In-Ear EX Series Earbud Headphones With In-Line iOS Remote & Mic For Volume And Track Control & Hands-Free Talking Compatable with Android phones, 9 mm High Sensitivity Driver Units, Tangle Free Cord, 5 - 24,000 Hz Frequency Response For use with Android phones - The perfect companion for your Android 4.0 Device supporting ICS or later, a configurable in-line remote delivers personalized functionality via the SmartKey app SmartKey App available - This simple application lets you personalize remote control settings for taking a call, listening to music, or launching the FM Radio Quality Sound - 9 mm, high sensitivity driver units in conjunction with highly efficient neodymium drivers deliver rock-solid audio performance Adjustable and secure fit - Hybrid silicone earbuds, in 4 supplied sizes, allow for a tailored fit that maximizes overall sound quality and comfort Tangle-Free Cord - The durable, serrated 1.2 m cord resists tangling, so you can get caught up in your music, not your cord