The SRS-XB2 features EXTRA BASS to give dance music added impact while its compact, water-resistant design lets you take the party wherever, whenever. Just press the EXTRA BASS button to experience music with added impact. Using a unique digital signal processor, EXTRA BASS maximises punchy bass and loudness. A long battery life gives you all day listening and because the speakers water resistant you can take it outside, poolside, wherever the party takes you. Extra bass; technology enhances deep, punchy bass sound. Take your music anywhere - a compact, wire-free design with integrated rechargeable battery - 10h battery operation. Ready for anything. Excellent waterproof properties equivalent to waterproof grade ipx5. 1 speaker. Compatible with iPod, iPhone and iPad. Bluetooth compatible. 3.5mm AUX in. Frequency 20Hz-20000Hz. General information Model number: srsxb2l. Eu8. Size H9.4, W14.8, D22cm. USB cable included. Batteries required 1 x rechargeable batteries (included). Battery life: 12 hours. (not included).