The BOOMZ AudioTM portable personal speaker gives you 360º sound anytime, anywhere. BOOMZ allows you to play music for hours at astonishing volumes - and measuring in at just 2 inches tall, BOOMZ fits in the palm of your hand.BOOMZ Plays using a USB connector (included) or a Line in earphone jack (also included) . BOOMZ Plays wirelessly for 4-6 hours with the help of a micro SD card (not included).