GranVela C2 Enhanced Bass Earbuds, In-Ear Headphones with Microphone, Noise Isolating Earphones for Smartphones - Black Produces lower distortion, extended frequency response, superb bass response; the included noise isolating (not noise cancelling) ear tips eliminate ambient noise. Aluminum Alloy Audio Cavity reduces the impact of cavity resonance to deliver better audio effect. High Performance Microphone ensures clear voice, which is easy to press with long service life. The flat cable is helpful in reducing cable tangling as well as adding some modern elements to your lifestyle. Includes: 3 sizes of eartips; 1-year manufacturer warranty