... on picture Mini USB Portable Speaker Music Player Micro SD TF Card For PC iPod MP3 New ... cards NOT included) Portable FM radio player. Keys: USB/SD/FM, Play/Pause, Previous/Vol-, Next/Vol+, ... OFF. Built-in lithium battery. Powered by computer USB port or through a power adaptor. High grade ... 5V 1000mA AC power adaptor or PC USB port (power adaptor Not included) Interface: USB, Micro SD/TF slot, DC ...