Take the JBL Xtreme 2 to a festival, a day at the beach, or a weekend away. This Bluetooth speaker has a dust and waterproof casing, so you can easily put it in the grass, sand, or at the edge of the water. Thanks to its 15-hour battery life, you won't be stuck without your music any time soon. You can prevent your phone from running empty by charging it with the speaker's USB port. Connect the speaker to multiple JBL speakers via the JBL app. You can connect up to 2 phones to the speakers and operate them with multiple people.