In-ear Stereo Earphone with Volume Control. Ultra compact, lightweight & fashionable design. Built with high-performance speakers for extended frequency range, lower distortion, & high power handling. In-line volume control for easy volume adjustment. Adjustable slider for maximum comfort. Comfortable to wear. Comes with wire reel. Ideal for digital devices such as iPod / iPhone / MP3 / CD players. Plug: 3.5mm / "I" type / Nickel-plated / Stereo.