SOWND Audio Dynamic Crystal Clear Hi-fi Sound Over-Ear Foldable Headphones Model 113 Black and Chrome Noise Isolation Crystal clear sound with deep bass, colorful / wide / realistic mid-range and crisp / sweet high end. Ergonomic design with soft padded ear cushions and headband that fits comfortably over the ears - great for long term or short term use. Aesthetically pleasing, yet simply designed chrome backing. Made with 50mm speaker drivers and a 3.5mm stereo jack, these will work with most smart phones and computers. Foldable, highly durable and compact design.