SOL REPUBLIC 1101-33 AMPS In-Ear Headphones with Free Ear Tips for Life - Red i4 sound engine speakers for deep bass and high clarity 3-button mic + music control Engineered with angle shafts that mirror the natural shape of the ear Four sizes of ear tips ensure you get a comfortable fit, with a perfect seal and enhanced noise isolation Compatible with most Apple, Android and Windows devices that uses a 3.5mm jack Connectivity Technology: Wired