Seepu''s music sunglasses mp3 combines a digital music player with the world-class sunglass technology. Patented Optics technology maintains clarity at all angles of vision, even at the periphery of raked-back lens contours that maximize protection against sun, wind and side impact. Lightweight frame material offers all-day comfort. The flip-up lens is a material that blocks 100% of all UVA, UVB, UVC and harmful blue light.