... radio 3.earphone function Outdoor Digtal Mini Loudspeaker for Microphone Electronic Sound System Top Selling 2013 !!! So MINI New Design ... etc.Supports Line IN function, receiving the audio source from MP3, MP4, PC, Notebook, for loptop,, etc.Supports USB2.0 high ... speed transmission, fully compatible with USBSupports the calendar, time.Built-in ...