It sounds very good for being so small, and even though its a mono chrash down of your music, it still sounds good. It serves the purpose I was going for, and I am satisfied. A history that needs to be passed on to future generations of this great country lest they never learn why it was great or what it took to achieve that greatness. Ive been using the EC1 for quite around 3 weeks or so, its pretty simple in terms of its form and function being plug and play, with an adjustable DPI button on the bottom. It would set up successfully then disconnect 30 min later. To put on the shoe there is no stretch or give. The adjusting swivels of the ?cans? are very stiff, so the cans need to be manually pressed into your head every-time you wear them to achieve a decent seal and correct angle of the ear-cups; this is kind of ok, but clamping force also maintains the ?cans? in a solid stationary position while the drive unit oscillates back and forth. Not enough so I dont need lotion, but enough that Im not scratching later. I do not anticipate these lasting very long. It charges up all of my devices quickly.