3.5mm jack portable speaker from budgetgadgets.com

des:

check out: http://www.budgetgadgets.com/-p-5866.html
Works with any devices with an 3.5mm Jack
2 AAA battery lasts up to 10hours of continuous use
500mA power output per channel for exceptional stereo sound

here is the link in case someone want it, $3.75:
buy @ http://www.budgetgadgets.com/-p-5866.html

the price can be cheaper when you buy many pieces

Note: for the music thing:
as the previous music track was in the copyright video list, so just changed to a new youtube track today, on Jan 4th 2012, now, it's still processing, should be ok soon. here is the track info:
A New Perspective None Musicshake Dance & Electronic 1:36