JBL Portable speaker GO 4 Black

The black JBL Go 4 is a small portable speaker that delivers excellent sound with powerful bass. You'll enjoy a playback time of as much as 7 hours, and with PlayTime Boost you can add another 2 hours to that. In addition, it tunes and optimizes performance for louder and clearer sound. The speaker is also water and dust resistant, so you can take it to the beach or put it by the pool for a day without a problem. Finally, with Auracast, you easily connect 2 speakers together to form a stereo pair to completely fill the room with sound.