Intone 850 Lightweight Folding 3.5mm Stereo Headphones On-Ear Headset Detachable Cable With Build-In Microphone,Control Button Leather Earpad For Smartphones,Laptop,Tablet,MP3/MP4,PC Earphones (Blue) Adjustable headband for comfort and secure fit 3.5mm plug and 5 ft. cord, detachable line, easy to carry. Deep base response,high quality stereo sound Mircophone with high integrity ,compatible with MP3, MP4, PC,PCD,DVD,most smartphone 90 degree folding freely and also portable.