These headphones feature neodymium dynamic drivers for a punchy, rhythmic response, a swiveling earcup design for easy storage and portability. It has a wide frequency range, spanning 12 Hz to 22 kHz, and an L-shaped stereo mini plug for 3.5mm audio jacks. The price drops from $19.99 to $9.99. Shipping is free for prime members or on orders over $35.