The HMDX Go Portable Speaker is a portable speaker case that clips onto a bag or backpack - simply plug the 3.5mm audio cable into your phone to start listening. The speaker case has external volume controls, while it's internal pocket holds your mp3 player or cell phone (fits iPhone). Plus, it runs on batteries - just load it with three separately sold AAA batteries and you're good to go. Available in Blue.
•Portable speaker case operated by three AAA batteries
•External volume controls
•Clip to your bag, backpack and more
•Internal pocket holds your mp3 player or cell phone (fits iPhone)
These are $9.99 on Amazon.
NOTE: It will show up as FREE with $5.49 shipping on the site.