USTEK K16 Ceramic Earphones with Mic in-Ear Headphones Running Earbuds with Microphone Noise Cancelling Compatible with Apple iPhone & Android Smartphones Black SERVICE GUARANTEED -- Non-artificial damage, 3-month warranty, free replacement or full refund. COMFORTABLE -- For both wearing and music listening, plus with flat tangle-free cord. COMPATIBALE -- For most smartphones, IOS Android or Windows, and for PC or other audio devices. CEREMIC -- Premium ceramic material, for high sound quality and shiny appearance. WITH MICROPHONE -- Of course with a microphone, for hands-free phone calls, and music control.