GranVela MX-230S Metal Pyramid In-Ear Stereo Earphone Noise-isolating Headphones with Microphone,Remote, and Volume Control (Red) The design of MX-230 features trendy colors, which are bright and impressive. as if it were a heavy?metal rock song, which would firmly capture your soul Ergonomically design with striking, durable aluminum casing for a sophisticated look Dynamic drivers excel in reproducing bass. Driven by air, the vibrating diaphragm?generates powerful and stereoscopic bass beats The line Volume control is not available for IOS phone: apple iphone. For Android, it can support pause/play and microphone function Package contents:GranVela MX-230S Earphones, Silicone earbuds * 3 pairs, instruction manual. 12-month warranty and free lifetime technical support