... fashion 5 portable and hot sell Large wholesale mini card MP3 player Description1, design , the metal shell, innovation LingGa type , shape, ... at the same time in the dish.6, USB1.1/2.0 interface, support hot swaps, 7, no external power ... shock resistant, resistance to electromagnetic interference.10, built-in rechargeable lithium batteryhigh-energy, super long standby time.11, fashionable small shape ...