Get big sound, long battery life and a powerful charging station for devices all in one. The JBL Charge Portable Wireless Speaker with Bluetooth delivers unsurpassed portable audio performance from your mobile devices and tablets. It provides more than 12 hours of playback time from its built-in, high-capacity battery, and it can even charge your other mobile devices on the go via its built-in USB port. With two 1-5/8-inch (41-millimeter) full-range drivers and a built-in bass port, it produces full-range JBL sound with exceptional bass. It also wirelessly streams audio from any Bluetooth-equipped smartphone or tablet. The JBL Charge wireless speaker is a portable audio powerhouse for any environment. And with a rugged case and grille, rubber end rings and a rubber cap for the USB port, this speaker has the durability that an active lifestyle demands.