Amps in-ear headphones are designed to deliver incredible sound, style and technology.Ear Tips For Life: Losing ear tips is easy. Now there’s finally a solution. We send you ear tips for life. No questions asked.Powerful Sound You Can Feel: Featuring i4 Sound Engines, Amps are fully loaded with deep bass and high clarity so you can feel the full power of your music.Listen In Comfort: Including four sizes of ear tips,you’re sure to get a comfortable fit and perfect seal for hours of music bliss.Secure Fit: Using StayFit™ design, Amps are angled to fit perfectly in your ear instead of falling out.3-Button Mic + Music Control: Lets you adjust the volume, pause/resume/skip music and answer/hang-up calls. The high clarity mic captures every word possible.Compatibility: 3-button mic + music control is designed specifically for full feature compatibility with recent generations of Apple devices. The audio and mic are likely to work with most devices that have a 3.5mm jack, including but not limited to, Android, Blackberry and Windows devices.