Not only do you get the incredible Goal Zero Rock Out 2 Portable Speaker, but you also get the Goal Zero Nomad Solar Panel in this Kit! Now, you can take your music with you anywhere and keep it rocking for days and days. The portable speaker has amped up sound, external controls, and is weather resistant for excursions and impromptu dance parties! The speaker amplifies tunes from your MP3, phone or laptop for over 20 hours without draining battery power from your device. It’s compatible with any device that uses an audio output jack and has a zip-up storage compartment to safely store your device and keep it protected. Ultra-lightweight and portable, the Nomad solar panel enables you to charge handheld USB/12V gear directly from the sun. It features a Monocrystalline cell that gives you 7W of solar capacity.