Speedlink Crossfire Design Headphones Black SL-8500-BK Let music into your life! Whether you?re on the sofa or on the street, CROSSFIRE Design Headphones provide a soundtrack to your everyday life with your favourite music. The gutsy, balanced sound lets you enjoy any style of music in all its glory while the comfortable, lightweight design and detachable Non-Twist cable make the headphones your ideal companion? For your tablet, smartphone, MP3 player or notebook. Product Highlights Ear coupling: Circumaural Wearing style: Head-band Headphone frequency: 20 – 20000 Hz Connectivity technology: Wired Device interface: 3.5 mm