Goal Zero Rock Out 2 Stereo 6W Black Portable Speaker Rms 3.7V 800AH

Manufacturer	Goal Zero
Model Number	0847974002155

Amped up sound, toned down size for excursions and impromptu dance
parties. The Rock Out 2 Portable Speaker amplifies tunes from your
MP3, phone or laptop for over 20 hours without draining battery
power from your device. Compatible with any device that uses an
audio output jack. Easy controls on the outside of the speaker, so
you can safely store your device in the speaker and zip it away.