JBL XTREME 2 - BLUETOOTH PORTABLE SPEAKER, 40W (2X20W) RMS, BT TYPE 4.2, FREQUENCY RESPONSE: 55HZ–20KHZ, IPX7 WATERPROOF, SPEAKERPHONE, 10000MAH POWER BANK USB 5V/2A , JBL CONNECT+, POWER SUPPLY: 19V 3A, BATTERY LIFE (UP TO) 15 HR