1.surport TF/SD,usb-disk 2.portable,fashionable design 3.Supporting USB2.0 high ... x mini USB (DC in), 1 x USB (USB flash disk), 1 x SD/MMC, 1 x 3.5mm line in ... capacity lithium battery. Simple apperance. Comse with a wrist strap. Compact and lightweight, enjoy music anytime anywhere. Package Includes:1 x ... x Battery1 x Wrist Strap Portable Mini Speaker with USB Disk, Music Player and FM function S300