Dolphin Audio SP-2100RBT Portable Bluetooth Speaker System - 3400 W RMS - 40 Hz to 20 kHz - Battery Rechargeable - USB

Features a rechargeable battery for extended playback time Appreciate the flexibility of wireless sound whether next to the SP-2100RBT or across the room SD card slot allows you to play your songs without the need of any other electronic gadget Charge your gadgets on the go with the integrated USB port Listen to your favorite music and enjoy great sound with Dolphin Audio SP-2100RBT Speaker System