JBL Charge 4 Red / Bluetooth Portable Speaker, 30W (2x15W) RMS, BT Type 4.2, Frequency response: 60Hz-20kHz, IPX7, Speakerphone, 7800mAh power bank USB 5V / 2A, JBL Connect+, JBL Bass Radiator, Power Supply: 5V / 2.3A, Battery life (up to) 20 hr