4 Two pre-installed rechargeable AAA batteries (accessible in the right side headphone by pushing down the small catch at top above the ear cushion, and pulling off should you ever need to replace them. Keen! baby lyle and scott You can even tighten the lace for an even more snug fit. Sound wise These are not a combination of the best attributes of other 600 series headphones but have an independent sound of their own. baby lyle and scott Arrived on time with a nice box. baby lyle and scott The first a bit difficult to assemble but once you get it going the rest is easy. - Can pair with multiple devices at the same time. Not really for fat tire/plus tire bikes. baby lyle and scott Although footwear is a very personal choice I would however definitely recommend them if you are looking for smart and comfort. They are cheaply made and I am disappointed that I ordered them.
baby lyle and scott