Improved sound quality. Crocs are so great for plantar fasciitis and eradicating sexual attractiveness. But its not mind-blowingly better than the new Logitech webcam for most things. I need ultra comfort for my wedding day. If you are a 1/2 size, I strongly suggest going up to the next size. There is a forward high midrange that sounds like it going though wax paper. too thin and too small-i wear 5. Have had no issues with it since purchasing it. Love the idea that it is re-chargeable via the micro-usb cable, see photo. Let me get on my ?soapbox? for a second .