Listen to your music in impressive detail with 40mm dynamic drivers delivering a powerful, well-balanced sound. Connect to your smartphone with built-in microphone and controls. Ultra-lightweight and foldable design for portable use. Updated 40mm dynamic drivers provide crystal-clear mid and high frequencies and powerful, detailed bass. Lightweight design for a long listening comfort. Top-mounted PCB provide a smooth diaphragm movements which reduces sound distortion. 1.2m cable with smartphone microphone/controls (One-touch button). Foldable design for ultra-portability. Frewuency response 5 –30,000Hz. Colour: Blue.