Survivor is the worlds first and only all-in-one high performance 30W Bluetooth speaker sound system and 400A emergency 12V car battery jump starter. Party at the lake or dessert with your friends and family all day long with its built-in 12,000mAh lithium polymer battery. It plays louder and longer with its combination of advanced technologies and audiophile sound tuning that reproduce the fullness, clarity and depth of your music the way the artist intended. When its time to pack it up and your boat or truck wont start, hook up the Survivor to its battery and easily jump start it right up to get you on the road. The emergency car battery jump starter is powerful enough to start up a 7.0L V8 engine.