Goal Zero Rock Out 2 Rechargeable Speakers
The Goal Zero
Rock Out 2 Rechargeable Speaker amplifies tunes from your MP3, phone or laptop for over 20 hours without relying on your device's internal speaker, thus preserving battery life in your device. In fact, the Rock Out 2 can be used with any device that uses an audio output jack. When it comes time to charge this Goal Zero speaker system, simply charge from any USB source in about 2 hours, or hook it up to a solar panel system like the Nomad 7 to charge in 2-4 hours. If your device is compatible with audio command inputs, then you can control the music from the Rock Out's front panel. This lets you store your device inside the speaker and zip it away for safekeeping. For amped up sound in a toned down size, rock on with the Goal Zero Rock Out 2 Rechargeable Speaker.