Wired EV headphones with high-quality stereo sound, external noise reduction technology and lightweight ergonomic design for comfortable long hours of use. Features a button/controller to answer your calls immediately without having to answer from the your smartphone. In a plastic case for easy transport. strong Features: /strong 3.5mm Jack Connection - Compatible with all mobile phones and other electronic devices that have a Jack port. br / Headset speaker size: 10mm br / Cable length: 1.20m