Enjoy your favorite music wirelessly nearly anywhere with the black Sony SRS-XB43 Portable Bluetooth Speaker. With Bluetooth wireless technology, the SRS-XB43 can stream audio from your smartphone or tablet. Go long with a built-in battery that lasts up to 24 hours in normal mode or up to 14 hours in EXTRA BASS mode, even with the lights active. The speaker's IP67 dustproof and waterproof rating allows safe use on the beach, by the pool, or nearly anywhere.