Thanks to built-in lithium-ion battery power technology, PA can provide you with enormous power and incredible sonic performance in an easy-to-use, ultra-portable package with up to 6-hours of continuous operation at full charge. With integrated fast battery charging function in a lightweight frame, this all-in-one column PA is sure to deliver massive sound to private and business events while offering power-free playback. With a simple swipe of your finger, you can instantly stream all your favorite music from any Bluetooth-equipped device, such as your computer, smart phone or tablet. Control the party from the dance floor or the background music comfortably from your chair. Simple, easy and amazing!