Premium Fashion Red Sport headphones that look great and stay in place while staying comfortable. Focus is on great sound and deep tight base and these headphones deliver. Fit most but not all ears as not everyone's ears are the same. If they fit they likely will not disappoint. These are the RED BASS BOX version with an unique design to deliver great sound. High quality microphone. Works with most brands including Iphone, Ipad, Samsung, Motorola, Sony and Panasonic.