Compact on-ear headphone, folds up for easy travel. Lightweight, generously padded aluminum headband features the eponymous hinge, which smoothly folds closed for compact travel. Ergonomically designed headband and pivoting ear cups allow the Hinge to conform to the shape of head for a comfortable, secure fit. Built-in 3-button rocker-switch and microphone give intuitive one-finger control for audio and phone calls.