This Sony ZX Series On-Ear Headphones feature neodymium dynamic drivers that deliver a punchy, rhythmic response. It offers a wide frequency range of 12 Hz to 22 kHz and an L-shaped stereo mini plug for 3.5mm audio jacks. Its swiveling earcup design allows for easy storage and enhanced portability. The Price drops from $19.99 to $9.99. Shipping is free for prime members or on orders over $35.