-Audio Plug:3.5mm audio connector
-Sound source:Bluethooth PC,Mobile phone,MP3,MP4,iPhone,iPod,iPad  

Provides clear, full-range sound delivered in a portable, lightweight package.

-Take calls without touching your iPhone ,use the Aux input for other MP3 players, phones, PCs,

or anything with an analog output for optimal sound from all devices;

-Use the line out feature for easy connection to an external cheap mini bluetooth speaker system.