A bluetooth speaker with adjustable bass for extra low frequencies. It features a compact design and it's delivers 20W of powerful, crisp audio via dual high-performance drivers, and twin passive subwoofers. The speaker is equipped with IPX5 water-resistant construction. In addition, it offers a 12-hour operating time, NFC technology, Bluetooth 4.2, Aux In, a built-in microphone and a 5200 mAh external USB port. Made with Black finish.