Turn it up to 11 with the Montero speaker! With 15 hours of uninterrupted play on a single charge of the built-in lithium battery, this small-but-mighty 20 watt powerhouse will rock your party from beginning to end. The aux input enables you to hook up the Montero to your existing stereo setup, or you can transmit your digital tunes wirelessly using the built-in Bluetooth receiver. There's also a built-in USB charger for those times when your phone battery is hovering way too close to 1%. Never again will a dead phone battery ruin your good time! Keep your party going all night with the stylish and powerful Montero speaker.