AYL (TM) Portable Mini Speaker System for PC / Phone / Tablet / Apple iPod Touch / iPhone 4 / iPad / MP3 Player (Black)
I like to bring a portable GPS and a portable speaker with me when I travel.  I wanted a speaker that works without AA or AAA batteries and is light and will be loud enough, especially if I open the windows.  This one meets all my needs - lightweight, USB charging (Can actually charge and play at the same time), decent musical quality (I am not that discerning), good volume (this one doesn't need to be on the loudest setting!)  I am thrilled!!!  Cons: It would be nice if I could hook up 2 together on a futu