Naztech 13896 30-Watt SoundBrick Bluetooth (R) Speaker Massive HD stereo sound 5 dynamic drivers 2 passive bass radiators 2 acoustic tweeters Subwoofer Antidistortion circuitry Dust- & water-resistant (IPX6) Aux input Built-in speakerphone with Bluetooth (R) 4.0 & NFC Extended battery life with 16 hours of play time on a single charge Ultraportable Includes stereo 3.5 mm cable & micro USB charging cable Massive HD stereo sound 5 dynamic drivers 2 passive bass radiators 2 acoustic tweeters Subwoofer Antidistortion circuitry Dust- & water-resistant (IPX6) Aux input Built-in speakerphone with Bluetooth (R) 4.0 & NFC Extended battery life with 16 hours of play time on a single charge Ultraportable Includes stereo 3.5 mm cable & micro USB charging cable